Balance Sheets - USD ($)	Dec. 26, 2020	Dec. 28, 2019
Current assets:
Cash and cash equivalents	$ 195,203	$ 133,965
Accounts receivable-trade, net	2,914,800	4,086,945
Inventories, net	3,709,471	3,099,824
Prepaid expenses and other current assets	71,506	147,786
Total current assets	6,890,980	7,468,520
Property and equipment:
Production equipment	10,265,471	9,649,169
Furniture and office equipment	568,846	508,423
Leasehold improvements	951,384	934,195
Total cost	11,785,701	11,091,787
Accumulated depreciation and amortization	(10,558,816)	(10,110,663)
Construction in progress	61,062	255,754
Net property and equipment	1,287,947	1,236,878
Right-of-use lease asset (note 4, leases)	25,000	171,000
Deferred taxes, net	117,000	147,873
Total assets	8,320,927	9,024,271
Current liabilities:
Borrowings against line of credit		1,249,588
Notes payable, current portion	58,134
Accounts payable	909,291	1,436,417
Accrued expenses	804,091	815,166
Deferred revenue	12,177	21,110
Lease liability, current portion	25,000	148,000
Total current liabilities	1,808,693	3,670,281
Notes payable less current portion	154,570
Long term lease liability		23,000
Total liabilities	1,963,263	3,693,281
Stockholders’ Equity:
Common stock, $0.01 par value, authorized 20,000,000 shares; issued 13,746,242 and 13,427,492 shares; outstanding 13,313,790 and 13,207,436; at December 26, 2020 and December 28, 2019, respectively	137,462	134,275
Additional paid-in capital	36,688,894	36,094,201
Accumulated deficit	(29,472,369)	(30,380,433)
Less cost of 432,452 and 220,056 common shares repurchased at December 26, 2020 and December 28, 2019, respectively	(996,323)	(517,053)
Total stockholders’ equity	6,357,664	5,330,990
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Total liabilities and stockholders’ equity	$ 8,320,927	$ 9,024,271