Treasury Stock (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Apr. 21, 2015
Stock repurchase program, authorized amount			$ 2,000
Treasury Stock [Member]
Treasury stock, shares, retired	1,290,460
Treasury stock, retired, cost method, amount	$ 1,600
Number of treasury stock purchased	77,687	21,723
Number of treasury stock purchased value	$ 61	$ 15