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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (AOCI) [Member]
Retained Earnings [Member]
Balance at Dec. 31, 2010 $ 22,427 $ 351 $ 152,014 $ 2,100 $ (132,038)
Balance (in shares) at Dec. 31, 2010   35,084      
Net income (loss) 1,348 0 0 0 1,348
Other comprehensive income (loss) 305 0 0 305 0
Common stock issued upon exercise of options 3,343 9 3,334 0 0
Common stock issued upon exercise of options (in shares)   851      
Stock-based compensation 2,035 0 2,035 0 0
Stock-based compensation (in shares)   0      
Vested restricted stock 0 1 (1) 0 0
Vested restricted stock (in shares)   106      
Balance at Dec. 30, 2011 29,458 361 157,382 2,405 (130,690)
Balance (in shares) at Dec. 30, 2011   36,041      
Net income (loss) (1,763) 0 0 0 (1,763)
Other comprehensive income (loss) (825) 0 0 (825) 0
Common stock issued upon exercise of options 1,514 3 1,511 0 0
Common stock issued upon exercise of options (in shares)   324      
Stock-based compensation 3,358 0 3,358 0 0
Stock-based compensation (in shares)   0      
Vested restricted stock 0 0 0 0 0
Vested restricted stock (in shares)   58      
Balance at Dec. 28, 2012 31,742 364 162,251 1,580 (132,453)
Balance (in shares) at Dec. 28, 2012   36,423      
Net income (loss) 398 0 0   398
Other comprehensive income (loss) (1,298) 0 0 (1,298) 0
Common stock issued upon exercise of options 3,286 7 3,279 0 0
Common stock issued upon exercise of options (in shares) 645 645      
Common stock issued upon cashless exercise of warrants 0 5 (5)    
Common stock issued upon cashless exercise of warrants (in shares)   485      
Stock-based compensation 4,721 0 4,721    
Unvested restricted stock 3 3 0    
Unvested restricted stock (in shares)   341      
Vested restricted stock 0 0 0 0 0
Vested restricted stock (in shares)   17      
Balance at Jan. 03, 2014 $ 38,852 $ 379 $ 170,246 $ 282 $ (132,055)
Balance (in shares) at Jan. 03, 2014   37,911