Shareholders Equity (Unaudited) - USD ($)	Common Stock	Additional Paid-In Capital	Retained Earnings / Accumulated Deficit	Treasury Stock	Total
Beginning balance, stockholders equity at Dec. 28, 2019			$ 5,330,990
Beginning balance, shares at Dec. 28, 2019	13,427,492			517,053
Beginning balance, par value of shares issued at Dec. 28, 2019	$ 134,275
Share-based compensation expense		$ 83,063
Repurchase of common stock, number of shares repurchased
Issuance of common stock pursuant to exercise of stock options
Net income(loss)			900,885		900,885
Ending balance, stockholders equity at Jun. 27, 2020					$ 6,314,938
Ending balance, shares at Jun. 27, 2020	13,427,492
Ending balance, par value shares issued at Jun. 27, 2020	$ 134,275
Beginning balance, stockholders equity at Dec. 26, 2020			$ 6,357,664
Beginning balance, shares at Dec. 26, 2020	13,746,242
Beginning balance, par value of shares issued at Dec. 26, 2020	$ 137,462
Share-based compensation expense		119,535
Repurchase of common stock				$ 1,229,700
Repurchase of common stock, number of shares repurchased					2,235
Issuance of common stock pursuant to exercise of stock options		1,234,630			$ 3,137,392
Issuance of common stock pursuant to exercise of stock options, number of shares issued	629,900
Issuance of common stock pursuant to exercise of stock options, par value	$ 6,299
Net income(loss)		$ 270,101			270,101
Ending balance, stockholders equity at Jun. 26, 2021					$ 9,895,921
Ending balance, shares at Jun. 26, 2021	14,300,771				14,300,771
Ending balance, par value shares issued at Jun. 26, 2021	$ 143,007