Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Consolidated Statements of Comprehensive Loss
Net loss	$ (1,897,068)	$ (2,776,763)	$ (4,259,546)	$ (10,358,097)
Other comprehensive loss:
Foreign currency translation adjustments	3,617	(8,184)	(7,721)	8,059
Comprehensive loss	$ (1,893,451)	$ (2,784,947)	$ (4,267,267)	$ (10,350,038)