XML 67 R51.htm IDEA: XBRL DOCUMENT v3.10.0.1
Insurance Premium Financing - Narrative (Details) - USD ($)
1 Months Ended
Oct. 31, 2017
Dec. 31, 2018
Oct. 31, 2018
Dec. 31, 2017
Short-term Debt [Line Items]        
Insurance premium financing   $ 4,435,000   $ 4,115,000
Insurance Premiums Financing Note        
Short-term Debt [Line Items]        
Insurance premium financing $ 4,100,000   $ 4,700,000  
Periodic payment $ 1,400,000      
Interest rate, stated percentage 3.00%      
Notes payable   $ 4,400,000