Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jul. 02, 2022	Jun. 26, 2021
Cash flows from operating activities:
Net income (loss)	$ 874,544	$ 270,101
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	211,641	284,408
Share-based compensation	163,855	119,535
Changes in:
Accounts receivable-trade	333,048	(1,517,511)
Inventories	(754,117)	(279,963)
Prepaid expenses and other current assets	(87,628)	(202,018)
Accounts payable	(478,973)	613,046
Accrued expenses	(438,249)	193,665
Deferred taxes	341,258
Deferred revenue	45,405	388,697
Net cash provided by (used in) operating activities	210,784	(130,040)
Cash flows from investing activities:
Purchases of property and equipment	(291,631)	(163,524)
Net cash used in investing activities	(291,631)	(163,524)
Cash flows from financing activities:
Proceeds from exercise of employee stock options, net of repurchases	154,724	11,229
Proceeds from issuance of common stock, net of expenses	(17,758)	3,137,392
Payments on note payable	(30,149)	(34,500)
Net cash provided by (used in) financing activities	106,817	3,114,121
Net increase (decrease) in cash and cash equivalents	25,970	2,820,557
Cash and cash equivalents at beginning of period	5,050,312	195,203
Cash and cash equivalents at end of period	5,076,282	3,015,760
Supplemental disclosures of cash flows information:
Cash paid for interest	4,353	18,079
Supplemental disclosures of non-cash activity:
Net exercise of stock options	$ 18,334	$ 24,514