REVENUE - Net Sales from Customers (Details) - USD ($)	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 3,412,229	$ 3,282,525
A | Sales Revenue, Net
Revenues	$ 1,303,772	$ 570,780
A | Customer Concentration Risk | Sales Revenue, Net
Concentration risk percentage	38.00%	17.00%
B | Sales Revenue, Net
Revenues		$ 1,014,655
B | Customer Concentration Risk | Sales Revenue, Net
Concentration risk percentage		31.00%
C | Sales Revenue, Net
Revenues	$ 938,856	$ 654,187
C | Customer Concentration Risk | Sales Revenue, Net
Concentration risk percentage	28.00%	20.00%
D | Sales Revenue, Net
Revenues		$ 390,512
D | Customer Concentration Risk | Sales Revenue, Net
Concentration risk percentage		12.00%