Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021
Cash flows from operating activities:
Net income	$ 2,131,400	$ 3,215,877
Adjustments to reconcile net income to cash provided by operating activities:
Share-based compensation	250,357	174,124
Depreciation and amortization	445,739	469,337
Deferred taxes	754,542	(2,706,978)
Gain on sale of property and equipment	(3,400)	(2,047)
Changes in operating assets and liabilities:
Accounts receivable – trade	1,092,046	(1,955,221)
Accounts receivable – other	(685,668)	0
Inventories	(964,299)	(202,131)
Prepaid expenses and other current assets	14,631	(154,367)
Accounts payable	(263,386)	1,190,960
Accrued expenses	(265,573)	282,338
Deferred revenue	1,045,010	1,694,961
Net cash provided by operating activities	3,551,399	2,006,853
Cash flows from investing activities:
Purchases of property and equipment	(439,772)	(514,322)
Proceeds from sale of property and equipment	3,400	2,047
Net cash used by investing activities	(436,372)	(512,275)
Cash flows from financing activities:
Proceeds from employee stock options	157,446	11,229
Proceeds from issuance of common stock	0	3,407,416
Payment on notes payable	(56,032)	(58,114)
Net cash provided by financing activities	101,414	3,360,531
Net increase in cash and cash equivalents	3,216,441	4,855,109
Cash and cash equivalents at beginning of year	5,050,312	195,203
Cash and cash equivalents at end of year	8,266,753	5,050,312
Supplemental cash flow information:
Cash paid for income taxes	456	456
Cash paid for interest	7,954	35,229
Supplemental disclosures of non-cash activity:
Net exercise of stock options	$ 38,333	$ 1,230,445