Shareholders Equity - USD ($)	Common Stock	Additional Paid-In Capital	Retained Earnings / Accumulated Deficit	Comprehensive Income / Loss	Total
Beginning balance, stockholders equity at Dec. 31, 2016			$ 10,751,305
Beginning balance, shares at Dec. 31, 2016	13,423,492				13,423,492
Beginning balance, par value of shares issued at Dec. 31, 2016	$ 134,235				$ 134,235
Share-based compensation expense		$ 287,231
Net income(loss)				$ 1,717,702	$ (1,717,702)
Ending Ending balance, shares at Dec. 30, 2017	13,423,492				13,423,492
Ending balance, par value shares issued at Dec. 30, 2017	$ 134,235				$ 134,235
Share-based compensation expense		217,430
Issuance of common stock pursuant to exercise of stock options		3,200
Issuance of common stock pursuant to exercise of stock options, number of shares issued	2,500
Issuance of common stock pursuant to exercise of stock options, par value	$ 25
Net income(loss)				3,705,967	(3,705,967)
Ending balance, stockholders equity at Dec. 29, 2018					$ 5,835,521
Ending Ending balance, shares at Dec. 29, 2018	134,260				13,425,992
Share-based compensation expense		131,421
Issuance of common stock pursuant to exercise of stock options		$ 2,235
Issuance of common stock pursuant to exercise of stock options, number of shares issued	1,500
Issuance of common stock pursuant to exercise of stock options, par value	$ 15
Net income(loss)				$ 638,202	$ (638,202)
Ending balance, stockholders equity at Dec. 28, 2019					$ 5,365,990
Ending Ending balance, shares at Dec. 28, 2019					13,427,492
Ending balance, par value shares issued at Dec. 28, 2019					$ 134,275