Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Oct. 01, 2022	Sep. 25, 2021
Cash flows from operating activities:
Net income	$ 1,862,409	$ 2,998,067
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities
Depreciation and amortization	316,469	411,465
Share-based compensation	207,277	147,653
Deferred taxes	705,755	(2,790,809)
Gain on sale of property and equipment	0	(2,047)
Changes in:
Accounts receivable-trade	(965,717)	(2,117,387)
Inventories	(956,948)	(63,757)
Prepaid expenses	(20,807)	(60,809)
Accounts payable	(55,394)	789,864
Deferred revenue	0	1,138,620
Accrued expenses	(220,891)	98,108
Net cash provided by (used in) operating activities	872,153	548,968
Cash flows from investing activities:
Purchases of property and equipment	(392,286)	(298,760)
Proceeds from sale of property and equipment	0	2,047
Net cash provided by (used in) investing activities	(392,286)	(296,713)
Cash flows from financing activities:
Net borrowings on line of credit	0	0
Proceeds from employee stock options	154,724	11,229
Proceeds from issuance of common stock	(40,893)	3,422,370
Payments on note payable	(45,507)	(43,320)
Net cash provided by (used in) financing activities	68,324	3,390,279
Net increase (decrease) in cash and cash equivalents	548,191	3,642,534
Cash and cash equivalents at beginning of period	5,050,312	195,203
Cash and cash equivalents at end of period	5,598,503	3,837,737
Supplemental disclosures of cash flows information:
Cash paid for income taxes	456	456
Cash paid for interest	6,243	32,776
Supplemental disclosures of non-cash activity:
Net exercise of stock options	$ 18,334	$ 441,022