CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Dec. 31, 2020	Jun. 30, 2020
Current Assets:
Cash and cash equivalents	$ 816,263	$ 1,134,697
Accounts receivable (net of allowance for doubtful accounts of $249,883 at December 31, 2020 and $248,450 at June 30, 2020)	1,590,867	1,481,437
Inventories	1,945,066	2,197,244
Prepaid expenses	146,619	133,707
Total current assets	4,498,815	4,947,085
Fixed Assets:
Machinery and equipment	2,915,847	2,907,533
Leasehold improvements	759,281	731,801
Furniture and fixtures	178,640	178,640
Total	3,853,768	3,817,974
Less: Accumulated depreciation and amortization	3,385,552	3,314,824
Net Fixed Assets	468,216	503,150
Operating lease right-to-use asset	90,181	118,403
Patents, net	118,468	95,229
Goodwill	687,664	687,664
TOTAL ASSETS	5,863,344	6,351,531
Current Liabilities:
Current portion of capital lease obligation	14,293	51,761
Current portion of acquisition earn out liability	166,667	166,667
Note payable to bank	808,962	808,962
Accounts payable	997,125	1,066,005
Customer advances	151,877	417,059
Accrued compensation and other	482,264	581,770
Current portion of operating lease liability	59,127	57,156
Total current liabilities	2,680,315	3,149,380
Capital lease obligation, net of current portion	31,317	35,810
Acquisition earn out liability	333,333	333,333
Operating lease liability, net of current portion	31,054	61,247
Stockholders' Equity:
Common stock, $0.01 par value: 50,000,000 shares authorized; issued and outstanding - 13,191,789 shares at December 31, 2020 and June 30, 2020	131,918	131,918
Additional paid-in capital	49,931,211	49,702,986
Accumulated deficit	(47,275,804)	(47,063,143)
Total stockholders' equity	2,787,325	2,771,761
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 5,863,344	$ 6,351,531