Balance Sheets (Current Period Unaudited) - USD ($)	Apr. 02, 2022	Dec. 25, 2021
Current assets:
Cash and cash equivalents	$ 4,699,694	$ 5,050,312
Accounts receivable-trade, net	4,902,518	4,870,021
Inventories, net	4,705,526	3,911,602
Prepaid expenses and other current assets	334,963	225,873
Total current assets	14,642,701	14,057,808
Property and equipment:
Production equipment	10,526,008	10,489,729
Furniture and office equipment	738,205	673,305
Leasehold improvements	968,509	951,384
Total cost	12,232,722	12,114,418
Accumulated depreciation and amortization	(11,133,276)	(11,028,154)
Construction in progress	223,048	246,669
Net property and equipment	1,322,494	1,332,933
Right-of-use lease asset (note 4, leases)	558,000	586,000
Deferred taxes, net	2,698,686	2,823,978
Total Assets	19,221,881	18,800,719
Current liabilities:
Note payable, current portion	51,620	55,906
Accounts payable	2,251,122	2,100,251
Accrued expenses	717,482	1,086,429
Deferred revenue	1,707,138	1,707,138
Lease liability, current portion	157,000	155,000
Total current liabilities	4,884,362	5,104,724
Note payable less current portion	87,988	98,684
Long-term lease liability	401,000	431,000
Total liabilities	5,373,350	5,634,408
Commitments & Contingencies
Stockholders’ equity:
Common stock, $0.01 par value,authorized 20,000,000 shares; issued 14,423,486 and 14,350,786 shares; outstanding 14,422,311 and 14,350,451 shares; at April 2, 2022 and December 25, 2021, respectively	144,235	143,508
Additional paid-in capital	39,546,975	39,281,810
Accumulated deficit	(25,837,056)	(26,256,492)
Less cost of 1,175 and 335 common shares repurchased at April 2, 2022 and December 25, 2021, respectively	(5,623)	(2,515)
Total stockholders’ equity	13,848,531	13,166,311
Total liabilities and stockholders’equity	$ 19,221,881	$ 18,800,719