Balance Sheets (Unaudited) - USD ($)	Jun. 26, 2021	Dec. 27, 2020
Current assets:
Cash and cash equivalents	$ 3,015,760	$ 195,203
Accounts receivable-trade, net	4,432,310	2,914,800
Inventories, net	3,989,435	3,709,471
Prepaid expenses and other current assets	273,523	71,506
Total current assets	11,711,028	6,890,980
Property and equipment:
Production equipment	10,343,553	10,265,471
Furniture and office equipment	568,846	568,846
Leasehold improvements	951,384	951,384
Total cost	11,863,783	11,785,701
Accumulated depreciation and amortization	(10,831,191)	(10,558,816)
Construction in progress	140,270	61,062
Net property and equipment	1,172,862	1,287,947
Right-of-use lease asset	638,000	25,000
Deferred taxes, net	117,000	117,000
Total assets	13,638,890	8,320,927
Current liabilities:
Note payable, current portion	59,438	58,134
Accounts payable	1,522,336	909,291
Accrued expenses	997,755	804,091
Deferred revenue	400,874	12,177
Lease liability, current portion	151,000	25,000
Total current liabilities	3,131,403	1,808,693
Note payable less current portion	124,566	154,570
Long term lease liability	487,000
Total liabilities	3,742,969	1,963,263
Stockholders` equity:
Common stock, $0.01 par value, authorized 20,000,000 shares; issued 14,300,771 and 13,746,242; outstanding 14,300,548 and 13,313,790; at June 26, 2021 and December 26, 2020;	143,007	137,462
Additional paid-in capital	38,956,952	36,688,894
Accumulated deficit	(29,202,268)	(29,472,369)
Less cost of 223 and 432,452 common shares repurchased at June 26, 2021 and December 26, 2020	(1,770)	(996,323)
Total stockholders` equity	9,895,921	6,357,664
Total liabilities and stockholders` equity	$ 13,638,890	$ 8,320,927