XML 66 R55.htm IDEA: XBRL DOCUMENT v3.19.1
Commitments and Contingencies - Lease Commitments (Details)
3 Months Ended
Mar. 31, 2019
USD ($)
ft²
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Other Commitments [Line Items]      
Capital lease obligations $ 0   $ 0
Length of rental sublease agreement sixty-five month    
Lessee, operating sublease, option to extend (lease term) one additional year until April 30, 2020    
Size of leased building (square feet) | ft² 15,500    
Minimum [Member]      
Other Commitments [Line Items]      
Payments for rent $ 17.50    
Maximum [Member]      
Other Commitments [Line Items]      
Payments for rent 22.50    
General and Administrative Expense [Member]      
Other Commitments [Line Items]      
Operating leases, rent expense $ 154,697 $ 167,582