Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Cash flows from operating activities:
Net loss	$ (143,153)	$ 459,201
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	101,405	124,608
Share-based compensation	160,962	130,441
Changes in:
Accounts receivable - trade	540,520	(936,163)
Accounts receivable - other	55,701	(15,035)
Inventories	(29,530)	183,246
Prepaid expenses and other current assets	(115,604)	(88,359)
Accounts payable	(125,313)	210,028
Accrued expenses	(231,367)	(89,402)
Deferred taxes	(40,256)	226,444
Deferred revenue	(44,508)	(924,080)
Net cash provided by (used in) operating activities	128,857	(719,071)
Cash flows from investing activities:
Purchases of property and equipment	(263,346)	(176,618)
Net cash used in investing activities	(263,346)	(176,618)
Cash flows from financing activities:
Proceeds from exercise of employee stock options	0	9,495
Payments on note payable	(11,409)	(10,696)
Net cash used in financing activities	(11,409)	(1,201)
Net decrease in cash and cash equivalents	(145,898)	(896,890)
Cash and cash equivalents at beginning of period	8,813,626	8,266,753
Cash and cash equivalents at end of period	8,667,728	7,369,863
Supplemental disclosures of cash flows information:
Cash paid for interest	825	1,538
Supplemental disclosures of non-cash activity:
Net exercise of stock options	$ 0	$ 790