XML 62 R50.htm IDEA: XBRL DOCUMENT v3.19.1
Senior Secured Credit Agreement (Details) - Senior Secured Reserve-Based Credit Facility - Line of Credit - Revolving credit facility
Apr. 11, 2016
USD ($)
Mar. 31, 2019
USD ($)
Line of Credit Facility [Line Items]    
Term of revolving credit facility 3 years  
Maximum amount available under revolving credit facility $ 50,000,000  
Initial borrowing base   $ 40,000,000
Amount outstanding   0
Placement fee percentage 0.50%  
Placement fee percentage $ 50,000  
Commitment fee percentage 0.25%  
Maximum total leverage ratio (not more than) 3.00  
Debt service coverage ratio (not less than) 1.10  
Minimum consolidated tangible net worth $ 50,000,000  
Debt issuance costs $ 168,972  
Unamortized debt issuance costs   $ 30,834
LIBOR    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 2.75%  
Prime rate    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 1.00%