Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance, at Dec. 29, 2012	$ 688	$ 109,390	$ 1,370	$ (45,259)	$ (7,417)	$ 58,772
Balance, (in Shares) at Dec. 29, 2012	13,756,589				1,457,856
Issuance of stock under employee stock purchase plan	3	256				259
Issuance of stock under employee stock purchase plan (in Shares)	58,176					58,176
Translation adjustment			(555)			(555)
Issuance of stock upon exercise of stock options	1	113				114
Issuance of stock upon exercise of stock options (in Shares)	27,500					27,500
Issuance of stock upon vesting of Restricted stock awards	3	(3)
Issuance of stock upon vesting of Restricted stock awards (in Shares)	50,000
Share based compensation expense		849				849
Common stock repurchase					(83)	(83)
Common stock repurchase (in Shares)					15,450
Dividends forfeited on restricted stock awards				32		32
Net income				1,990		1,990
Balance, at Dec. 28, 2013	695	110,605	815	(43,237)	(7,500)	61,378
Balance, (in Shares) at Dec. 28, 2013	13,892,265				1,473,306
Issuance of stock under employee stock purchase plan	3	336				339
Issuance of stock under employee stock purchase plan (in Shares)	67,092					67,092
Translation adjustment			(890)			(890)
Reclass of currency translation			166	(166)
Issuance of stock upon exercise of stock options	9	767				776
Issuance of stock upon exercise of stock options (in Shares)	189,310					185,836
Effect of excess tax deduction over book expense associated with exercise of stock options		15				15
Share based compensation expense		806				806
Common stock repurchase					(29)	(29)
Common stock repurchase (in Shares)					3,474
Cash dividend paid				(25,344)		(25,344)
Dividends declared on restricted stock awards				(1,000)		(1,000)
Net income				6,814		6,814
Balance, at Jan. 03, 2015	$ 707	$ 112,529	$ 91	$ (62,933)	$ (7,529)	$ 42,865
Balance, (in Shares) at Jan. 03, 2015	14,148,667				1,476,780