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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Deficit
--- | --- | --- | --- | ---
Beginning Balance, value at Jan. 03, 2015 | $ 33,736 | $ 108 | $ 38,511 | $ (4,883)
Beginning 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 (loss) 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 |  |
Proceeds from issuance of common stock, net of issuance costs, value | 14,813 | $ 12 | 14,801 |
Proceeds from issuance of common stock, net of issuance costs, shares |  | 1,150,000 |  |
Issuance of common stock under stock option plan | $ 709 | $ 1 | 708 |
Issuance of common stock under stock option plan, shares | 126,077 | 126,077 |  |
Employee stock-based compensation expense | $ 1,821 |  | 1,821 |
Release of restricted stock, value | (99) |  | (99) |
Release of restricted stock, shares |  | 25,795 |  |
Stock repurchase | $ (59) |  | (59) |
Stock repurchase, shares | (6,544) | (6,544) |  |
Net (loss) income | $ (11,713) |  |  | (11,713)
Ending Balance, value at Dec. 31, 2016 | $ 39,160 | $ 124 | 55,158 | (16,122)
Ending Balance, shares at Dec. 31, 2016 | 11,304,736 | 11,304,736 |  |
Proceeds from issuance of common stock, net of issuance costs, value | $ 2,263 | $ 2 | 2,261 |
Proceeds from issuance of common stock, net of issuance costs, shares |  | 172,500 |  |
Issuance of common stock under stock option plan | $ 377 |  | 377 |
Issuance of common stock under stock option plan, shares | 64,380 | 64,380 |  |
Employee stock-based compensation expense | $ 1,922 |  | 1,922 |
Release of restricted stock, value | $ (333) |  | (333) |
Release of restricted stock, shares |  | 54,658 |  |
Stock repurchase, shares | 0 |  |  |
Net (loss) income | $ (12,867) |  |  | (12,867)
Ending Balance, value at Dec. 30, 2017 | $ 30,522 | $ 126 | $ 59,385 | $ (28,989)
Ending Balance, shares at Dec. 30, 2017 | 11,596,274 | 11,596,274 |  |

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