SEGMENT INFORMATION AND GEOGRAPHIC DATA, Reconciliation of Cost of Goods Sold (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Reconciliation of Cost of Goods Sold [Abstract]
Cost of goods sold	$ 4,493,125	$ 5,296,530	$ 14,650,910	$ 17,347,026
Inventory write-downs			119,000	232,000
Product Line [Member]
Reconciliation of Cost of Goods Sold [Abstract]
Cost of goods sold	3,485,580	4,723,850	11,974,485	15,256,320
Segment Reconciling Item [Member]
Reconciliation of Cost of Goods Sold [Abstract]
Non-capitalized manufacturing and production control expenses	596,344	484,299	1,660,231	1,243,528
Freight out	216,817	294,143	851,171	976,855
Inventory write-downs	0	0	119,000	232,000
Other inventory adjustments	$ 194,384	$ (205,762)	$ 46,023	$ (361,677)