Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Oil and natural gas
Oil And Natural Gas [Member]
Represents Oil and gas, a reportable segment of the entity.
Land investment
Land Investment [Member]
Represents Land investments, a reportable segment of the entity.
Contract drilling
Contract Drilling [Member]
Represents Contract drilling, a reportable segment of the entity.
Other
Other Segments [Member]
Intersegment Eliminations [Member]
Intersegment Eliminations [Member]
Segment information
Segment Reporting Information [Line Items]
Revenues:
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues
Revenue, Net
Interest income
Investment Income, Interest
Total revenues
Revenues
Depletion, depreciation, and amortization:
Depreciation, Depletion and Amortization [Abstract]
Depletion, depreciation, and amortization
Depreciation, Depletion and Amortization
Operating profit (loss) (before general and administrative expenses):
Operating Income (Loss) [Abstract]
Operating profit (loss)
Operating Income (Loss)
Equity in income of affiliates:
Equity Method Investment, Financial Statement, Reported Amounts [Abstract]
Equity in (loss) income of affiliates
Income (Loss) from Equity Method Investments
General and administrative expenses
General and Administrative Expense
Interest expense
Interest Expense
Income Statement [Abstract]
Revenues:
Revenues [Abstract]
Oil and natural gas
Oil and Gas Sales Revenue
Contract drilling
Contracts Revenue
Sale of interest in leasehold land
Revenue from Sale of Interest in Leasehold Land
Revenue from the sale of interest in leasehold land.
Gas processing and other
Gas Gathering, Transportation, Marketing, Processing and Other Revenue, Net
Revenue related to midstream and downstream gas activities. May include the following: gathering from wells, processing to remove impurities, storage, transmission, compression, the sale of natural gas and related products and revenue from other services not otherwise specified in the taxonomy.
Costs and expenses:
Costs and Expenses [Abstract]
Oil and natural gas operating
Cost of Goods Sold, Oil and Gas
Contract drilling operating
Contract Revenue Cost
General and administrative
Interest expense
Total costs and expenses
Costs and Expenses
Loss before equity in (loss) income of affiliates and income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income tax benefit
Income Tax Expense (Benefit)
Net (loss) earnings
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Less: Net (loss) earnings attributable to non-controlling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net (loss) earnings attributable to Barnwell Industries, Inc.
Net Income (Loss) Attributable to Parent
Basic and diluted net (loss) earnings per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)
Earnings Per Share, Basic and Diluted
Weighted-average number of common shares outstanding:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic and diluted (in shares)
Weighted Average Number of Shares Outstanding, Basic and Diluted
Compensation and Retirement Disclosure [Abstract]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]
Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]
Pension Plan
Pension Plan [Member]
SERP
Supplemental Employee Retirement Plan [Member]
Postretirement Medical
Other Postretirement Benefit Plan [Member]
Retirement plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost:
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return on Plan Assets
Amortization of prior service cost (credit)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Amortization of net actuarial loss
Defined Benefit Plan, Amortization of Gains (Losses)
Net periodic benefit cost
Defined Benefit Plan, Net Periodic Benefit Cost
Other disclosures
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Contribution by the entity to the Pension Plan
Defined Benefit Plan, Contributions by Employer
Estimated future employer contributions
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year
Investments, All Other Investments [Abstract]
Investment Holdings [Table]
Investment Holdings [Table]
Investment Type [Axis]
Investment Type [Axis]
Investments [Domain]
Investments [Domain]
Investment in Kukio Resort land development partnerships
Land Development Partnerships [Member]
Represents information pertaining to investment in land development partnerships.
Investment in leasehold land interest – Lot 4C
Land Interest [Member]
Represents information pertaining to investment in land interest in Lot 4C.
Investment Holdings [Line Items]
Investment Holdings [Line Items]
Investments
Long-term Investments
RETIREMENT PLANS
Pension and Other Postretirement Benefits Disclosure [Text Block]
Earnings Per Share [Abstract]
Reconciliations between net earnings (loss) attributable to the entity's stockholders and common shares outstanding of the basic and diluted net earnings (loss) per share computations
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Equity [Abstract]
Schedule of changes in each component of accumulated other comprehensive income (loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of components of net periodic benefit cost
Schedule of Net Benefit Costs [Table Text Block]
INVESTMENTS
Investment [Text Block]
Increment [Axis]
Increment [Axis]
Increment [Axis]
Increment [Domain]
Increment [Domain]
[Domain] for Increment [Axis]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
KD Kaupulehu LLLP Increment I
KD Kaupulehu LLLP Increment I [Member]
KD Kaupulehu LLLP Increment I [Member]
Kaupulehu Developments
Kaupulehu Developments [Member]
Represents Kaupulehu Developments, a Hawaii general partnership that owns interests in leasehold land located in the North Kona District of the island of Hawaii.
K D Maniniowali LLLP
K D Maniniowali L L L P [Member]
Represents information pertaining to the indirect acquisition of passive interests in KD Maniniowali, LLLP.
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
K D Kukio Resorts LLLP
K D Kukio Resorts L L L P [Member]
Represents information pertaining to the indirect acquisition of passive interests in KD Kukio Resorts, LLLP.
KD Kaupulehu, LLLP
K D Kaupulehu L L L P [Member]
Represents information pertaining to the indirect acquisition of passive interests in KD Kaupulehu, LLLP.
Indirectly Acquired Interest
Indirectly Acquired Interest [Member]
Represents information pertaining to the indirect acquisition of interests in KD Kukio Resorts, LLLP, KD Maniniowali, LLLP, and KD Kaupulehu, LLLP.
Number of limited liability limited partnerships formed
Number of Limited Liability Limited Partnerships Formed
Represents the number of limited liability limited partnerships formed through a wholly-owed subsidiary.
Ownership interest acquired
Equity Method Investment, Ownership Percentage
Aggregate cost
Equity Method Investment, Aggregate Cost
Number of residential lots remaining to be sold
Number of Residential Lots Remaining to be Sold
Number of remaining residential lots to be sold by the Land Development Partnerships
Cash Distribution from Equity Method Investment
Cash Distribution from Equity Method Investment
Cash Distribution from Equity Method Investment
Minority interests portion of distribution from equity investee
Minority interests portion of distribution from equity investee
The portion of the gross cash distribution received from equity method investments distributed to minority interests.
Difference between carrying amount and underlying equity
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity
Basis difference adjustment
Basis Difference Adjustment
Recognition of the difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.
Bonds issued by the surety
Guarantor Obligations, Maximum Exposure, Undiscounted
Maximum loss exposure
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
Revenue
Equity Method Investment, Summarized Financial Information, Revenue
Gross profit
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)
Net earnings (loss)
Equity Method Investment, Summarized Financial Information, Net Income (Loss)
Subsequent Events [Abstract]
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Proceeds from sale of property, plant, and equipment
Proceeds from Sale of Property, Plant, and Equipment
Gain (loss) on disposition of property plant equipment
Gain (Loss) on Disposition of Property Plant Equipment
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Options
Employee Stock Option [Member]
Antidilutive shares of common stock excluded from the computation of diluted shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of earnings (loss) per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Net Earnings (Loss) (Numerator)
Net Income (Loss) Attributable to Parent [Abstract]
Basic
Net Income (Loss) Available to Common Stockholders, Basic
Effect of dilutive securities - common stock options
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units
Diluted
Net Income (Loss) Available to Common Stockholders, Diluted
Shares (Denominator)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Effect of dilutive securities - common stock options (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Per-Share Amount
Earnings Per Share, Basic and Diluted [Abstract]
Basic net earnings (loss) per share (in dollars per share)
Earnings Per Share, Basic
Diluted net earnings (loss) per share (in dollars per share)
Earnings Per Share, Diluted
Related Party Transactions [Abstract]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
Increment II [Member]
Increment II [Member]
Increment II [Member]
increment I
Increment I [Member]
Increment I [Member]
Phase [Axis]
Phase [Axis]
Information categorized by phase.
Phase [Domain]
Phase [Domain]
This item is to be populated with the specific type of phase of Increment I entered into by the entity.
Phase II
Phase Two [Member]
Represents information pertaining to Phase II of Increment I.
Related party transactions
Related Party Transaction [Line Items]
Revenues - sale of interest in leasehold land
Number of single family lots sold
Number of Single Family Lots Sold
Represents the number of single-family lots sold to date.
Asset held for sale [Abstract]
Asset held for sale [Abstract]
Asset held for sale
Assets Held-for-sale, Not Part of Disposal Group, Current
Organization, Consolidation and Presentation of Financial Statements [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Significant Accounting Policies [Text Block]
Supplemental Cash Flow Elements [Abstract]
Schedule of supplemental cash flow information
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Statement of Stockholders' Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Retained Earnings
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent [Member]
Treasury Stock
Treasury Stock [Member]
Non-controlling Interests
Noncontrolling Interest [Member]
Statement [Line Items]
Statement [Line Items]
Increase (Decrease) in Stockholders' Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period (in shares)
Common Stock, Shares, Outstanding
Balance, beginning of period
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Distributions to non-controlling interests
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Net earnings (loss)
Share-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Foreign currency translation adjustments, net of taxes of $0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Balance, end of period (in shares)
Balance, end of period
Statement of Cash Flows [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Equity in income of affiliates
Distribution of income from equity investees
Proceeds from Equity Method Investment, Dividends or Distributions
Retirement benefits expense
Pension and Other Postretirement Benefit Expense
Accretion of asset retirement obligation
Asset Retirement Obligation, Accretion Expense
Deferred income tax expense (benefit)
Deferred Income Tax Expense (Benefit)
Asset retirement obligation payments
Asset Retirement Obligation, Cash Paid to Settle
Share-based compensation expense (benefit)
Share-based Compensation
Retirement plan contributions
Pension and Other Postretirement Benefit Contributions
Sale of interest in leasehold land, net of fees paid
Sale of Interest in Leasehold Land, Net
Sale of interest in leasehold land, net of fees paid
Decrease from changes in current assets and liabilities
Increase (Decrease) in Operating Capital
Net cash provided by (used in) operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Distribution from equity investees in excess of earnings
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital
Proceeds from sale of interest in leasehold land, net of fees paid
Proceeds from Sale of Interest in Leasehold Land, Net
The cash inflow from the sale of interest in leasehold land, net of fees paid.
Decrease in restricted cash
Increase (Decrease) in Restricted Cash
Capital expenditures - oil and natural gas
Payments to Explore and Develop Oil and Gas Properties
Capital expenditures - all other
Payments to Acquire Other Productive Assets
Net cash provided by investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Distributions to non-controlling interests
Payments to Noncontrolling Interests
Decrease in restricted cash
Proceeds from (Repayments of) Restricted Cash, Financing Activities
Net cash (used in) provided by financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations
Net increase in cash and cash equivalents
Net Cash Provided by (Used in) Continuing Operations
Cash and cash equivalents at beginning of period
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents at end of period
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, taxes
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Amortization of accumulated other comprehensive loss into net periodic benefit cost, taxes
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax
ASSET HELD FOR SALE
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]
Income Tax Disclosure [Abstract]
Components of income (loss) before income taxes, after adjusting the income (loss) for non-controlling interests
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of components of the income tax provision (benefit)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Fair Value Disclosures [Abstract]
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
INVESTMENT HELD FOR SALE [Abstract]
INVESTMENT HELD FOR SALE [Abstract]
INVESTMENT HELD FOR SALE
Cost-method Investments, Description [Text Block]
EARNINGS (LOSS) PER COMMON SHARE
Earnings Per Share [Text Block]
Summary of investments
Summary Investment Holdings [Table Text Block]
Summarized financial information for the land development partnerships
Schedule of Financial Information Related To Equity Method Investments [Table Text Block]
Tabular disclosure of summarized financial information related to equity method investments.
INVESTMENTS
Summary of percentage of sales payment revenues received
Schedule of Percentage of Sales Payment Revenues [Table Text Block]
Tabular disclosure of percentage of sales payment revenues received from sale of leasehold land.
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable, Current
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, authorized shares
Common Stock, Shares Authorized
Common stock, issued shares
Common Stock, Shares, Issued
Treasury stock, shares
Treasury Stock, Shares
Long-term Debt, Unclassified [Abstract]
LONG-TERM DEBT
Long-term Debt [Text Block]
Changes in foreign currency translation
Accumulated Other Comprehensive Income (Loss) Foreign Currency Translation Adjustment Net of Tax [Roll Forward]
Beginning accumulated foreign currency translation
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
Change in cumulative translation adjustment before reclassifications
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
Income taxes
Net current period other comprehensive income (loss)
Ending accumulated foreign currency translation
Changes in retirement plans
Accumulated Other Comprehensive Income (Loss) Defined Benefit Pension and Other Postretirement Plans Net of Tax [Roll Forward]
Beginning accumulated retirement plans benefit cost
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax
Amortization of net actuarial loss and prior service cost
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax
Income taxes
Net current period other comprehensive income
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax
Ending accumulated retirement plans benefit cost
Accumulated other comprehensive loss, net of taxes
Accumulated Other Comprehensive Income (Loss), Net of Tax
RELATED PARTY TRANSACTIONS
Related Party Transactions Disclosure [Text Block]
Schedule of financial information related to reporting segments
Schedule of Segment Reporting Information, by Segment [Table Text Block]
SUBSEQUENT EVENTS
Subsequent Events [Text Block]
Net (loss) earnings
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Total other comprehensive income
Other Comprehensive Income (Loss), Net of Tax
Total comprehensive (loss) income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Less: Comprehensive (loss) income attributable to non-controlling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Comprehensive (loss) income attributable to Barnwell Industries, Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Significant Accounting Policies [Table]
Significant Accounting Policies [Table]
Tabular disclosure pertaining to an entity's significant accounting policies.
KD Kona 2013 LLLP
K D Kona2013 L L L P [Member]
Represents information pertaining to KD Kona 2013 LLLP.
Kaupulehu 2007, LLLP
Kaupulehu2007 L L L P [Member]
Represents Kaupulehu 2007, LLLP (Kaupulehu 2007), a Hawaii limited liability limited partnership jointly owned by the entity.
Kaupulehu Investors, LLC
Kaupulehu Investors L L C [Member]
Represents Kaupulehu Investors, LLC, a limited liability company jointly owned by the entity.
Significant accounting policies
Significant Accounting Policies [Line Items]
Principles of Consolidation
Principles of Consolidation [Abstract]
Ownership interest in subsidiaries
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions
Number of 80%-owned joint ventures
Number of Joint Ventures
Represents the number of joint ventures owned by the entity.
Commitments and Contingencies Disclosure [Abstract]
Percentage of working interest
Loss Contingency, Percentage of Working Interest
Loss Contingency, Percentage of Working Interest
Loss contingency, accrual
Loss Contingency, Accrual, Current
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Interest
Interest Paid
Income taxes refunded, net
Income Taxes Paid, Net
Supplemental disclosure of non-cash investing and financing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Release of restricted cash held in escrow for tax installment
Escrow Account Disbursement
Amount of cash released from restricted escrow account for income tax installment payment related to property sale.
Supplemental disclosures of cash flow information:
Increase (decrease) in capital expenditure accruals related to oil and natural gas exploration and development
Increase Decrease in Oil and Natural Gas Exploration and Development Accruals
The increase (decrease) during the reporting period in the capital expenditure accruals related to oil and natural gas exploration and development.
Increase (decrease) in capital expenditure accruals related to oil and natural gas asset retirement obligations
Increase (Decrease) in Asset Retirement Obligations
Residential Parcel
Residential Parcel [Member]
Represents the information pertaining to investment in one residential parcels.
Number of Real Estate Properties
Number of Real Estate Properties
SEGMENT INFORMATION
Segment Reporting Disclosure [Text Block]
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Unaudited Interim Financial Information
Basis of Accounting, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Reclassifications
Reclassification, Policy [Policy Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
INCOME TAXES
Income Tax Disclosure [Text Block]
Document and Entity Information
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Document Type
Document Type
Document Period End Date
Document Period End Date
Amendment Flag
Amendment Flag
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Current Reporting Status
Entity Current Reporting Status
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Comprehensive Income (Loss) Note [Text Block]
ASSETS
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Restricted cash
Restricted Cash and Cash Equivalents, Current
Accounts and other receivables, net of allowance for doubtful accounts of: $56,000 at March 31, 2017; $40,000 at September 30, 2016
Accounts and Other Receivables, Net, Current
Investment held for sale
Short-term Investments
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Property and equipment
Property, Plant and Equipment, Gross
Accumulated depletion, depreciation, and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment, net
Property, Plant and Equipment, Net
Total assets
Assets
LIABILITIES AND EQUITY
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued capital expenditures
Accrued Capital Expenditures, Current
Carrying value as of the balance sheet date of capital expenditure obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Accrued operating and other expenses
Other Accrued Liabilities, Current
Accrued compensation
Employee-related Liabilities, Current
Current portion of asset retirement obligation
Asset Retirement Obligation, Current
Other current liabilities
Other Liabilities, Current
Total current liabilities
Liabilities, Current
Liability for retirement benefits
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent
Asset retirement obligation
Asset Retirement Obligations, Noncurrent
Deferred income taxes
Deferred Tax Liabilities, Net, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 12)
Commitments and Contingencies
Equity:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock, par value $0.50 per share; authorized, 20,000,000 shares: 8,445,060 issued at March 31, 2017 and September 30, 2016
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Retained earnings
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive loss, net
Treasury stock, at cost: 167,900 shares at March 31, 2017 and September 30, 2016
Treasury Stock, Value
Total stockholders' equity
Stockholders' Equity Attributable to Parent
Non-controlling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total equity
Total liabilities and equity
Liabilities and Equity
Components of income (loss) before income taxes, after adjusting the income (loss) for non-controlling interests
Income (Loss) from Continuing Operations before Income Taxes [Abstract]
No definition available.
United States
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Noncontrolling Interests Domestic
The portion of earnings (loss) from continuing operations before income taxes and after adjusting income (loss) for noncontrolling interests that is attributable to domestic operations.
Canada
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Noncontrolling Interests Foreign
Represents the portion of earnings (loss) from continuing operations before income taxes and after adjusting income (loss) for noncontrolling interests that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.
Total
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Noncontrolling Interests
Represents the income (loss) from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after adjusting income (loss) for noncontrolling interest but before income taxes.
Components of the income tax provision (benefit)
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current
Current Income Tax Expense (Benefit)
Deferred
Total
Land Interest
Area of land (in acres)
Area of Land
Number of development increments
Number of Development Increments
Represents the number of development increments from which lots and/or residential units will be sold.
Fees - included in general and administrative expenses
Fees Related to Sale of Interest in Leasehold Land
Represents the fees related to sale of interest in leasehold land.
Proceeds from sale of interest in leasehold land, net of fees paid
Proceeds From Sale of Interest in Leasehold Land
The cash inflow from the sale of interest in leasehold land
INFORMATION RELATING TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS
Cash Flow, Supplemental Disclosures [Text Block]
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Revolving Demand Facility
Revolving Demand Facility [Member]
Revolving Demand Facility [Member]
Long-term debt
Debt Instrument [Line Items]
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Long-term debt
Long-term Debt
Letters of credit outstanding, amount
Letters of Credit Outstanding, Amount
Restricted cash and investments, current
Restricted Cash and Investments, Current