Consolidated Balance Sheets - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Current Assets:
Cash and cash equivalents	$ 1,134,697	$ 2,288,426
Accounts receivable (net of allowance for doubtful accounts of $248,450 at June 30, 2020 and $246,953 at June 30, 2019)	1,481,437	2,165,107
Inventories	2,197,244	1,734,604
Prepaid expenses	133,707	180,336
Total current assets	4,947,085	6,368,473
Fixed Assets:
Machinery and equipment	2,907,533	2,748,715
Leasehold improvements	731,801	668,446
Furniture and fixtures	178,640	168,450
Total	3,817,974	3,585,611
Less: Accumulated depreciation and amortization	3,314,824	3,202,605
Net fixed assets	503,150	383,006
Operating lease right-to-use asset	118,403	0
Patents, net	95,229	54,087
Goodwill	687,664	687,664
TOTAL ASSETS	6,351,531	7,493,230
Current Liabilities:
Current portion of capital lease obligation	51,761	9,572
Current portion of acquisition earn out liability	166,667	0
Note payable to bank	808,962	0
Accounts payable	1,066,005	1,174,263
Customer advances	417,059	450,192
Accrued compensation and other	581,770	533,944
Operating lease liability	57,156	0
Amount due for business acquisition		1,443,341
Total current liabilities	3,149,380	3,611,312
Capital lease obligation, net of current portion	35,810	5,027
Acquisition earn out liability	333,333	500,000
Operating lease liability	61,247	0
Stockholders' Equity:
Common stock, $0.01 par value: 50,000,000 shares authorized; issued and outstanding - 13,191,789 shares at June 30, 2020 and 12,071,139 shares at June 30, 2019	131,918	120,712
Additional paid-in capital	49,702,986	48,893,172
Accumulated deficit	(47,063,143)	(45,636,993)
Total stockholders' equity	2,771,761	3,376,891
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 6,351,531	$ 7,493,230