Balance Sheets (Unaudited) - USD ($)	Sep. 26, 2020	Dec. 28, 2019
Current assets:
Cash and cash equivalents	$ 112,575	$ 133,965
Accounts receivable-trade, net	3,961,606	4,086,945
Inventories, net	4,187,272	3,099,824
Prepaid expenses and other current assets	173,583	147,786
Total current assets	8,435,036	7,468,520
Property and equipment:
Production equipment	10,282,980	9,649,169
Furniture and office equipment	508,423	508,423
Leasehold improvements	934,195	934,195
Total cost	11,725,598	11,091,787
Accumulated depreciation and amortization	(10,478,054)	(10,110,663)
Construction in progress	127,408	255,754
Net property and equipment	1,374,952	1,236,878
Right-of-use lease asset	63,000	171,000
Deferred taxes, net	114,253	147,873
Total assets	9,987,241	9,024,271
Current liabilities:
Borrowings against line of credit	835,123	1,249,588
Note payable, current portion	55,795
Accounts payable	1,221,642	1,436,417
Accrued expenses	720,182	815,166
Deferred revenue	358,000	21,110
Lease liability, current portion	63,000	148,000
Total current liabilities	3,253,742	3,670,281
Note payable less current portion	169,388
Long term lease liability		23,000
Total liabilities	3,423,130	3,693,281
Stockholders` equity:
Common stock, $0.01 par value, authorized 20,000,000 shares; issued 13,716,242 and 13,427,492, respectively; outstanding 13,296,168 and 13,207,436, respectively; at September 26, 2020 and December 28, 2019;	137,162	134,275
Additional paid-in capital	36,633,553	36,094,201
Accumulated deficit	(29,248,532)	(30,380,433)
Less cost of 420,074 and 220,056 common shares repurchased, respectively; at September 26, 2020 and December 28, 2019	(958,072)	(517,053)
Total stockholders` equity	6,564,111	5,330,990
Total liabilities and stockholders` equity	$ 9,987,241	$ 9,024,271