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		$ 65,673
Repurchase of common stock, number of shares repurchased
Net income(loss)			601,654		$ 601,654
Ending balance, stockholders equity at Mar. 28, 2020					5,998,317
Ending balance, shares at Mar. 28, 2020	13,427,492
Ending balance, par value shares issued at Mar. 28, 2020	$ 134,275
Beginning balance, stockholders equity at Dec. 26, 2020			6,357,664		$ 6,357,664
Beginning balance, shares at Dec. 26, 2020	13,746,242			996,323	13,746,242
Beginning balance, par value of shares issued at Dec. 26, 2020	$ 137,462
Share-based compensation expense		27,422
Repurchase of common stock				$ 1,201,509
Repurchase of common stock, number of shares repurchased					120,196
Issuance of common stock pursuant to exercise of stock options		$ 1,209,358
Issuance of common stock pursuant to exercise of stock options, number of shares issued	613,800
Issuance of common stock pursuant to exercise of stock options, par value	$ 6,138
Net income(loss)			$ 30,903		$ 30,903
Ending balance, stockholders equity at Mar. 27, 2021					$ 6,426,299
Ending balance, shares at Mar. 27, 2021	14,360,042				14,360,042
Ending balance, par value shares issued at Mar. 27, 2021	$ 143,600