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ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - Status of Our Business - Oil and Gas Properties (Details)
12 Months Ended
Sep. 15, 2016
m
Aug. 19, 2016
USD ($)
m
Aug. 15, 2016
USD ($)
Jun. 30, 2016
USD ($)
Mar. 31, 2017
USD ($)
Dec. 31, 2012
Dec. 30, 2012
Dec. 27, 2012
Jun. 30, 2010
Settlement and Release Agreement with Tullow and Dana                  
Status of our Business                  
Settlement amount     $ 686,570            
Settlement and Release Agreement with Tullow and Dana | Subsequent event                  
Status of our Business                  
Settlement amount     $ 686,570            
Guinea concession                  
Status of our Business                  
Ownership interest (as a percent) 100.00%     37.00%   37.00% 77.00%    
Threshold gross expenditure cap for well to be paid by the entity       $ 100,000,000 $ 100,000,000        
Gross expenditure cap       $ 100,000,000 $ 100,000,000        
Extension period for second exploration (in years) 1 year                
Depth below seabed required to be drilled of an exploration well (in meters) | m 2,500 2,500              
Maximum period of time over which current available liquidity could be exhausted 30 days     12 months          
Guinea concession | Subsequent event                  
Status of our Business                  
Ownership interest (as a percent)   100.00%              
Extension period for second exploration (in years)   1 year              
Depth below seabed required to be drilled of an exploration well (in meters) | m   2,500              
Amount receivable, if extension well not drilled   $ 46,000,000              
Estimated time for completion of exploration well project (in days)   42 days              
Guinea concession | Tullow Guinea Ltd                  
Status of our Business                  
Ownership interest sold (as a percent)           40.00%   40.00%  
Guinea concession | Dana                  
Status of our Business                  
Ownership interest (as a percent)       23.00%         23.00%
Guinea concession | Tullow Guinea Ltd                  
Status of our Business                  
Ownership interest (as a percent)       40.00%   40.00%