12. SHARE-BASED COMPENSATION (Details 4) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Share-based compensation	$ 2,236,743	$ 1,536,096
Selling, General and Administrative
Share-based compensation	1,956,818	1,410,095
Research and Development
Share-based compensation	$ 279,925	$ 126,001