REVENUE - Schedule of Transactions Within Contract Liabilities (Details) - USD ($)	3 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Movement in Deferred Revenue [Roll Forward]
Beginning contract liabilities	$ 218,330	$ 1,076,063	$ 559,232
Revenue recognized related to payments included in the prior balance	(211,537)	(1,022,851)	(526,202)
Payments received for which performance obligations have not been satisfied	1,635,572	163,903	1,043,767
Effect of foreign currency translation	1,626	1,215	(734)
Ending contract liabilities	$ 1,643,991	$ 218,330	$ 1,076,063