Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 6 months ended Jul. 02, 2016 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Jan. 02, 2016	14,559,381				2,062,746
Balance at Jan. 02, 2016	$ 728,000	$ 114,331,000	$ (2,845,000)	$ (69,646,000)	$ (10,365,000)	$ 32,203,000
Issuance of stock under employee stock purchase plan (in shares)	40,045
Issuance of stock under employee stock purchase plan	$ 2,000	186,000				188,000
Translation adjustment			481,000			481,000
Share-based compensation expense		405,000				405,000
Common stock repurchase (in shares)					214,578
Common stock repurchase					$ (1,131,000)	(1,131,000)
Net income				1,864,000		1,864,000
Balance (in shares) at Jul. 02, 2016	14,599,426				2,277,324
Balance at Jul. 02, 2016	$ 730,000	$ 114,922,000	$ (2,364,000)	$ (67,782,000)	$ (11,496,000)	$ 34,010,000