XML 33 R20.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 2 - Supplemental Cash Flow Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Note 2 - Supplemental Cash Flow Information (Details) [Line Items]    
Interest Paid $ 2,859,000 $ 7,530,000
Property, Plant and Equipment, Gross, Period Increase (Decrease) 1,000  
Asset Retirement Obligation, Liabilities Settled   1,035,000
Debt Discount, Period Increase (Decrease)   235,000
Termination of Short-Term Insurance Financing [Member]    
Note 2 - Supplemental Cash Flow Information (Details) [Line Items]    
Increase (Decrease) in Prepaid Insurance (487,000)  
Oil and Gas Property Removed from Accounts Payable Due to Title Dispute [Member]    
Note 2 - Supplemental Cash Flow Information (Details) [Line Items]    
Increase (Decrease) in Accounts Payable   (1,347,000)
Insurance Premiums Financed Through Short Term Debt [Member]    
Note 2 - Supplemental Cash Flow Information (Details) [Line Items]    
Notes Issued   1,954,000
Property and Equipment Included in Accounts Payable [Member]    
Note 2 - Supplemental Cash Flow Information (Details) [Line Items]    
Increase (Decrease) in Accounts Payable   84,000
Increase Due to Additional Asset Retirement Obligation [Member]    
Note 2 - Supplemental Cash Flow Information (Details) [Line Items]    
Property, Plant and Equipment, Gross, Period Increase (Decrease)   27,000
Foreign Tax Authority [Member] | Israel Tax Authority [Member]    
Note 2 - Supplemental Cash Flow Information (Details) [Line Items]    
Income Taxes Paid $ 5,154,000 $ 5,050,000