XML 52 R36.htm IDEA: XBRL DOCUMENT v3.23.1
Note 1 - Organization and Significant Accounting Policies (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
Oct. 19, 2020
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Accounts Receivable, Allowance for Credit Loss, Ending Balance $ 100   $ 100 $ 100
Number of Operating Segments     1  
Discount Rate Used in Future Net Cash Flows Relating to Proved Oil and Gas Reserves 10.00%      
Impairment of Oil and Gas Properties     $ 0  
Share-Based Payment Arrangement, Noncash Expense, Total     3,296 946
Deferred Tax Assets, Valuation Allowance $ 73,650   73,650 $ 124,080
Unrecognized Tax Benefits, Ending Balance 0   $ 0  
Revenue Benchmark [Member] | Customer Concentration Risk [Member]        
Entity Wide Revenue Number of Major Purchasers of Oil and Gas     3 4
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Four Purchasers [Member]        
Concentration Risk, Percentage       83.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Three Purchasers [Member]        
Concentration Risk, Percentage     90.00%  
Non-US [Member]        
Long-Lived Assets $ 0   $ 0  
Reverse Stock Split [Member]        
Stockholders' Equity Note, Stock Split, Conversion Ratio   20