XML 52 R38.htm IDEA: XBRL DOCUMENT v3.7.0.1
Commitments and Contingencies - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 11, 2015
Mar. 31, 2017
Apr. 30, 2017
Mar. 24, 2017
Feb. 28, 2017
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
May 10, 2012
Gain Contingencies [Line Items]                  
Required minimum market capitalization value       $ 35,000,000          
Loan amount borrowed   $ 0              
Cash and cash equivalents   1,065,690       $ 1,662,643 $ 2,765,215 $ 2,241,317  
Working capital deficit   26,200,000              
Total assets   3,978,485       $ 5,083,665      
Aggregate amount issuable                 $ 8,000,000
Penelope Mining LLC [Member]                  
Gain Contingencies [Line Items]                  
Investment in convertible preferred stock $ 101,000,000                
Investment agreement period 3 years                
Monaco [Member]                  
Gain Contingencies [Line Items]                  
Amount of debt financed         $ 5,000,000        
Loan amount borrowed         $ 750,000,000,000        
Monaco [Member] | Subsequent Event [Member]                  
Gain Contingencies [Line Items]                  
Amount of debt financed     $ 3,000,000            
Loan amount borrowed     $ 750,000,000,000            
MINOSA [Member]                  
Gain Contingencies [Line Items]                  
Amount of debt financed $ 14,750,000                
MINOSA [Member] | Promissory Note [Member]                  
Gain Contingencies [Line Items]                  
Aggregate amount issuable   $ 14,750,000              
Debt instrument maturity date   Mar. 18, 2017              
Oceanica Resources S. de. R.L [Member]                  
Gain Contingencies [Line Items]                  
Grant and issuance of new equity shares             3,000,000