XML 62 R50.htm IDEA: XBRL DOCUMENT v3.19.1
Property and Equipment - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Property Plant And Equipment [Line Items]    
Depreciation and amortization $ 464,727 $ 253,758
Property and Equipment    
Property Plant And Equipment [Line Items]    
Depreciation and amortization $ 105,111 $ 155,097