Consolidated Statements of Changes in Stockholders' Equity - 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 Dec. 28, 2013		13,892,265				1,473,306
Balance at Dec. 28, 2013		$ 695,000	$ 110,605,000	$ 815,000	$ (43,237,000)	$ (7,500,000)	$ 61,378,000
Issuance of stock under employee stock purchase plan (in shares)		67,092
Issuance of stock under employee stock purchase plan		$ 3,000	336,000				339,000
Translation adjustment				(890,000)			(890,000)
Amounts reclassified from accumulated other comprehensive income (a)				166,000	(166,000)		$ 166,000	[1]
Issuance of stock upon exercise of stock options (in shares)		189,310					185,836
Issuance of stock upon exercise of stock options		$ 9,000	767,000				$ 776,000
Effect of excess tax deduction over book expense associated with equity awards			15,000				15,000
Share based compensation expense			806,000				806,000
Common stock repurchase (in shares)						3,474
Common stock repurchase						$ (29,000)	(29,000)
Cash dividend paid					(25,344,000)		(25,344,000)
Dividends declared on restricted stock units					(1,000,000)		(1,000,000)
Net income					6,814,000		6,814,000
Balance (in shares) at Jan. 03, 2015		14,148,667				1,476,780
Balance at Jan. 03, 2015		$ 707,000	112,529,000	91,000	$ (62,933,000)	$ (7,529,000)	$ 42,865,000
Dividends on restricted stock units forfeited
Issuance of stock under employee stock purchase plan (in shares)		73,048
Issuance of stock under employee stock purchase plan		$ 4,000	369,000				$ 373,000
Translation adjustment				(2,936,000)			$ (2,936,000)
Amounts reclassified from accumulated other comprehensive income (a)	[1]
Issuance of stock upon exercise of stock options (in shares)		3,500					3,500
Issuance of stock upon exercise of stock options			19,000				$ 19,000
Share based compensation expense			1,446,000				1,446,000
Common stock repurchase (in shares)						585,966
Common stock repurchase						$ (2,836,000)	(2,836,000)
Cash dividend paid					$ (12,529,000)		(12,529,000)
Dividends declared on restricted stock units					(209,000)		(209,000)
Net income					6,015,000		6,015,000
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 upon vesting of restricted stock units (in shares)		334,166
Issuance of stock upon vesting of restricted stock units		$ 17,000	(17,000)
Effect of reduced tax deduction over book expense associated with equity awards			$ (15,000)				(15,000)
Dividends on restricted stock units forfeited					$ 10,000		$ 10,000

[1] This amount represents residual foreign currency translation balances in our Cataract, Inc. and RCM Technologies Ireland Holding Limited subsidiaries after these subsidiaries had been effectively liquidated.