REVENUE - Net Sales from Customers (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Revenues	$ 3,569,718	$ 3,667,276	$ 11,566,176	$ 11,075,620
Customer A | Sales Revenue, Net
Revenues	$ 398,011	$ 404,062	$ 2,106,998	$ 1,790,311
Concentration risk percentage	11.00%	11.00%	18.00%	16.00%
Customer B | Sales Revenue, Net
Revenues	$ 530,583		$ 1,871,256
Concentration risk percentage	15.00%		16.00%
Customer C | Sales Revenue, Net
Revenues	$ 609,114	$ 1,215,737	$ 1,679,814	$ 2,320,485
Concentration risk percentage	17.00%	33.00%	15.00%	21.00%
Customer D | Sales Revenue, Net
Revenues	$ 682,337	$ 727,084	$ 1,631,010	$ 1,825,213
Concentration risk percentage	19.00%	20.00%	14.00%	16.00%
Customer E | Sales Revenue, Net
Revenues	$ 550,096
Concentration risk percentage	15.00%
Customer F | Sales Revenue, Net
Revenues				$ 1,136,146
Concentration risk percentage				10.00%
Customer G | Sales Revenue, Net
Revenues				$ 1,148,242
Concentration risk percentage				10.00%