Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (2,123,521)	$ (1,556,342)	$ (3,763,148)	$ (3,933,548)
Other comprehensive loss:
Foreign currency translation adjustments	(3,988)		(3,339)
Comprehensive loss	$ (2,127,509)	$ (1,556,342)	$ (3,766,487)	$ (3,933,548)