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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. 01, 2011 | $ 19,427 | $ 5 | $ 89 | $ 41,168 | $ (430) | $ (205) | $ (21,200)
Beginning 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 |  |  |
Tax effect of stock compensation expense | 2 |  |  | 2 |  |  |
Foreign currency translation adjustments | 170 |  |  |  |  | 170 |
Issuance of common stock in connection with RetinaLabs acquisition |  |  | 2 | (2) |  |  |
Stock repurchase | (648) |  |  |  | (648) |  |
Stock repurchase, shares |  |  | (167,885) |  |  |  |
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 |  |  |  |
Foreign currency translation adjustments | 35 |  |  |  |  | 35 |
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 |  |
Net income | 1,438 |  |  |  |  |  | 1,438
Ending Balance, value at Dec. 29, 2012 | 21,905 | 5 | 94 | 38,958 |  |  | (17,152)
Ending Balance, shares at Dec. 29, 2012 |  | 500,000 | 8,452,971 |  |  |  |
Issuance of common stock under stock option plan | 1,495 |  | 5 | 1,490 |  |  |
Issuance of common stock under stock option plan, shares | 493,622 |  | 493,622 |  |  |  |
Employee stock-based compensation expense | 689 |  |  | 689 |  |  |
Release of restricted stock and escrow shares |  |  | 27,915 |  |  |  |
Stock repurchase | (426) |  |  | (426) |  |  |
Stock repurchase, shares |  |  | (75,025) |  |  |  |
Stock repurchased from tender offer, value | (40) |  |  | (40) |  |  |
Preferred stock conversion to common stock |  | (5) | 5 |  |  |  |
Preferred stock conversion to common stock, share |  | (500,000) | 1,000,000 |  |  |  |
Net income | 2,231 |  |  |  |  |  | 2,231
Ending Balance, value at Dec. 28, 2013 | $ 25,854 |  | $ 104 | $ 40,671 |  |  | $ (14,921)
Ending Balance, shares at Dec. 28, 2013 |  |  | 9,899,483 |  |  |  |

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