Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Cash flows from operating activities:
Net income	$ 459,201	$ 419,436
Adjustments to reconcile net income to cash used in operating activities:
Depreciation and amortization	124,608	105,121
Share-based compensation	130,441	124,471
Changes in:
Accounts receivable - trade	(936,163)	(32,497)
Accounts receivable - other	(15,035)
Inventories	183,246	(793,924)
Prepaid expenses and other current assets	(88,359)	(109,090)
Accounts payable	210,028	150,871
Accrued expenses	(89,402)	(368,947)
Deferred Taxes	226,444	125,292
Deferred revenue	(924,080)
Net cash used in operating activities	(719,071)	(379,267)
Cash flows from investing activities:
Purchases of property and equipment	(176,618)	(94,683)
Net cash used in investing activities	(176,618)	(94,683)
Cash flows from financing activities:
Proceeds from exercise of employee stock options	9,495	138,313
Payments on note payable	(10,696)	(14,981)
Net cash provided by financing activities	(1,201)	123,332
Net decrease in cash and cash equivalents	(896,890)	(350,618)
Cash and cash equivalents at beginning of period	8,266,753	5,050,312
Cash and cash equivalents at end of period	7,369,863	4,699,694
Supplemental disclosures of cash flows information:
Cash paid for interest	1,538	2,269
Supplemental disclosures of non-cash activity:
Net exercise of stock options	$ 790	$ 3,108