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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]
Accumulated Deficit [Member]
Treasury Stock [Member]
Total
Balance at Jan. 01, 2011 $ 661 $ 107,817 $ 1,415 $ (40,079) $ (206) $ 69,608
Balance (in Shares) at Jan. 01, 2011 13,220,445       49,397  
Issuance of stock under employee stock purchase plan 2 166       168
Issuance of stock under employee stock purchase plan (in Shares) 43,407          
Translation adjustment     (109)     (109)
Issuance of stock upon exercise of stock options 3 110       113
Issuance of stock upon exercise of stock options (in Shares) 71,156         (71,156)
Stock based compensation expense   110       110
Common stock repurchase         (2,507) (2,507)
Common stock repurchase (in Shares)         542,389  
Net income       4,278   4,278
Balance at Dec. 31, 2011 666 108,203 1,306 (35,801) (2,713) 71,661
Balance (in Shares) at Dec. 31, 2011 13,335,008       591,786  
Issuance of stock under employee stock purchase plan 2 126       128
Issuance of stock under employee stock purchase plan (in Shares) 29,205          
Translation adjustment     64     64
Issuance of stock upon exercise of stock options 20 892       912
Issuance of stock upon exercise of stock options (in Shares) 392,376         (392,376)
Stock based compensation expense   169       169
Common stock repurchase         (4,704) (4,704)
Common stock repurchase (in Shares)         866,070 866,070
Cash dividend paid       (12,335)   (12,335)
Dividends declared on unvested restricted stock units       (350)   (350)
Net income       3,227   3,227
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