Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 3 months ended Apr. 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			292,000			292,000
Share-based compensation expense		201,000				201,000
Common stock repurchase (in shares)					115,318
Common stock repurchase					$ (598,000)	(598,000)
Net income				1,001,000		1,001,000
Balance (in shares) at Apr. 02, 2016	14,599,426				2,178,064
Balance at Apr. 02, 2016	$ 730,000	$ 114,718,000	$ (2,553,000)	$ (68,645,000)	$ (10,963,000)	$ 33,287,000