SEGMENT INFORMATION AND GEOGRAPHIC DATA, Reconciliation of Cost of Goods Sold (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Reconciliation of Cost of Goods Sold [Abstract]
Cost of goods sold	$ 5,296,530	$ 5,093,452	$ 17,347,026	$ 15,457,215
Inventory write-off			232,000	128,000
Product Line [Member]
Reconciliation of Cost of Goods Sold [Abstract]
Cost of goods sold	4,723,850	4,520,274	15,256,320	13,826,235
Segment Reconciling Item [Member]
Reconciliation of Cost of Goods Sold [Abstract]
Non-capitalized manufacturing and production control expenses	484,299	398,073	1,243,528	1,122,715
Freight out	294,143	191,700	976,855	683,580
Inventory write-off	0	23,000	232,000	128,000
Other inventory adjustments	$ (205,762)	$ (39,595)	$ (361,677)	$ (303,315)