CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net loss	$ (1,847,363)	$ (4,628,171)	$ (10,338,927)	$ (17,211,174)
Other comprehensive loss:
Foreign currency translation adjustments, net of tax	76,862	(10,721)	139,534	(2,201)
Comprehensive loss	$ (1,770,501)	$ (4,638,892)	$ (10,199,393)	$ (17,213,375)