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SEGMENT INFORMATION (Details) (USD $)
 3 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Revenues:    
Total before interest income $ 6,523,000 $ 8,490,000
Interest income 28,000 12,000
Total revenues 6,551,000 8,502,000
Depletion, depreciation, and amortization:    
Total depletion, depreciation, and amortization 2,679,000 2,909,000
Reduction of carrying value of assets:    
Reduction of carrying value of assets 2,327,000  
Operating (loss) profit (before general and administrative expenses):    
Total operating (loss) profit (1,084,000) 2,203,000
General and administrative expenses (2,142,000) (1,846,000)
Interest expense (152,000) (219,000)
Interest income 28,000 12,000
(Loss) earnings before income taxes (3,350,000) 150,000
Oil and natural gas
    
Revenues:    
Total before interest income 5,640,000 7,789,000
Depletion, depreciation, and amortization:    
Total depletion, depreciation, and amortization 2,535,000 2,753,000
Reduction of carrying value of assets:    
Reduction of carrying value of assets 2,327,000  
Operating (loss) profit (before general and administrative expenses):    
Total operating (loss) profit (1,215,000) 2,295,000
Contract drilling
    
Revenues:    
Total before interest income 717,000 425,000
Depletion, depreciation, and amortization:    
Total depletion, depreciation, and amortization 115,000 129,000
Operating (loss) profit (before general and administrative expenses):    
Total operating (loss) profit (6,000) (341,000)
Other
    
Revenues:    
Total before interest income 166,000 276,000
Depletion, depreciation, and amortization:    
Total depletion, depreciation, and amortization 29,000 27,000
Operating (loss) profit (before general and administrative expenses):    
Total operating (loss) profit $ 137,000 $ 249,000