Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019
Cash flows from operating activities:
Net income (loss)	$ 908,064	$ (638,202)
Adjments. to reconcile net income (loss) to cash provided (used):
Share-based compensation	117,842	133,671
Depreciation and amortization	530,420	525,783
Deferred taxes	30,873	38,874
Gain on sale of property and equipment	(11,000)	(6,946)
Changes in operating assets and liabilities:
Accounts receivable – trade	1,172,145	(1,033,854)
Inventories	(609,647)	93,109
Prepaid expenses and other current assets	76,280	8,552
Accounts payable	(527,126)	(243,846)
Accrued expenses	(11,075)	(160,149)
Deferred revenue	(8,933)	21,110
Net cash provided (used) by operating activities	1,667,843	(1,261,898)
Cash flows from investing activities:
Purchases of property and equipment	(322,991)	(489,475)
Proceeds from sale of property and equipment	11,000	6,946
Net cash used by investing activities	(311,991)	(482,529)
Cash flows from financing activities:
Net borrowings (repayments) on line of credit	(1,249,588)	1,249,588
Proceeds from employee stock options	768
Payment on notes payable	(45,794)
Net cash provided by financing activities	(1,294,614)	1,249,588
Net increase (decrease) in cash and cash equivalents	61,238	(494,839)
Cash and cash equivalents at beginning of year	133,965	628,804
Cash and cash equivalents at end of year	195,203	133,965
Supplemental cash flow information:
Cash paid (refunded) for income taxes	(8,548)	(67,311)
Cash paid for interest	104,488	44,113
Supplemental disclosures of non-cash activity:
Net exercise of stock options	479,270
Issuance of long term debt to finance equipment purchases	$ 247,807