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Consolidated Statements of Stockholders' Equity (USD $)
In Thousands, except Share data
Total
Convertible Preferred Stock
Common Stock
Additional Paid-in Capital
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning Balance, value at Jan. 02, 2010 $ 15,026 $ 5 $ 89 $ 39,820 $ (430) $ (212) $ (24,246)
Beginning Balance, shares at Jan. 02, 2010   500,000 8,848,360        
Issuance of common stock under stock option plan 88     88      
Issuance of common stock under stock option plan, shares 34,558   34,558        
Employee stock-based compensation expense 551     551      
Tax effect of stock compensation expense 1     1      
Foreign currency translation adjustments 7         7  
Issuance of common stock in connection with RetinaLabs acquisition 444     444      
Issuance of common stock in connection with RetinaLabs acquisition, shares     103,500        
Contingent consideration - shares of common stock in connection with RetinaLabs acquisition 264     264      
Net income 3,046           3,046
Ending Balance, value at Jan. 01, 2011 19,427 5 89 41,168 (430) (205) (21,200)
Ending Balance, shares at Jan. 01, 2011   500,000 8,986,418        
Issuance of common stock under stock option plan 321   1 320      
Issuance of common stock under stock option plan, shares 99,291   99,291        
Employee stock-based compensation expense 544     544      
Stock repurchase (648)       (648)    
Stock repurchase, shares     (167,885)        
Tax effect of stock compensation expense 2     2      
Foreign currency translation adjustments 170         170  
Issuance of common stock in connection with RetinaLabs acquisition 0     (2)      
Issuance of common stock in connection with RetinaLabs acquisition, shares     2        
Net income 2,610           2,610
Ending Balance, value at Dec. 31, 2011 22,426 5 92 42,032 (1,078) (35) (18,590)
Ending Balance, shares at Dec. 31, 2011   500,000 8,917,824        
Issuance of common stock under stock option plan 445   2 443      
Issuance of common stock under stock option plan, shares 174,631   174,631        
Employee stock-based compensation expense 396     396      
Release of restricted stock and escrow shares     36,815        
Stock repurchase (734)       (734)    
Stock repurchase, shares     (188,799)        
Stock repurchased from tender offer, value (2,101)     (2,101)      
Stock repurchased from tender offer, share     (487,500)        
Retirement of treasury stock       (1,812) 1,812    
Foreign currency translation adjustments 35         35  
Net income 1,438           1,438
Ending Balance, value at Dec. 29, 2012 $ 21,905 $ 5 $ 94 $ 38,958 $ 0 $ 0 $ (17,152)
Ending Balance, shares at Dec. 29, 2012   500,000 8,452,971