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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Convertible Preferred Stock | Common Stock | Additional Paid-in Capital | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Beginning Balance, value at Dec. 29, 2012 | $ 21,905 | $ 5 | $ 94 | $ 38,958 | $ (17,152)
Beginning 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, shares |  |  | 27,915 |  |
Stock repurchase | (426) |  |  | (426) |
Stock repurchase, shares |  |  | (75,025) |  |
Stock repurchased from tender offer | (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 |  |
Issuance of common stock under stock option plan | $ 1,501 |  | $ 4 | 1,497 |
Issuance of common stock under stock option plan, shares | 399,390 |  | 399,390 |  |
Employee stock-based compensation expense | $ 972 |  |  | 972 |
Excess tax benefits from stock-based awards | 36 |  |  | 36 |
Release of restricted stock, shares |  |  | 50,262 |  |
Stock repurchase | (4,665) |  |  | (4,665) |
Stock repurchase, shares |  |  | (562,440) |  |
Net income | 10,038 |  |  |  | 10,038
Ending Balance, value at Jan. 03, 2015 | 33,736 |  | $ 108 | 38,511 | (4,883)
Ending Balance, shares at Jan. 03, 2015 |  |  | 9,786,695 |  |
Issuance of common stock under stock option plan | $ 1,027 |  | $ 3 | 1,024 |
Issuance of common stock under stock option plan, shares | 277,733 |  | 277,733 |  |
Employee stock-based compensation expense | $ 895 |  |  | 895 |
Release of restricted stock, value | (606) |  |  | (606) |
Release of restricted stock, shares |  |  | 144,756 |  |
Repurchase of employee share awards | (275) |  |  | (275) |
Stock repurchase | $ (1,563) |  |  | (1,563) |
Stock repurchase, shares | (199,776) |  | (199,776) |  |
Net income | $ 474 |  |  |  | 474
Ending Balance, value at Jan. 02, 2016 | $ 33,688 |  | $ 111 | $ 37,986 | $ (4,409)
Ending Balance, shares at Jan. 02, 2016 |  |  | 10,009,408 |  |

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