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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive (Loss)/Gain | Retained Earnings | Total
--- | --- | --- | --- | --- | ---
Balances at Dec. 30, 2016 | $ 83 | $ 42,376 |  | $ 7,459 | $ 49,918
Balances (in shares) at Dec. 30, 2016 | 8,348,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with employee stock purchase plan | $ 1 | 829 |  |  | 830
Shares of common stock issued in connection with employee stock purchase plan (in shares) | 62,000 |  |  |  |
Shares of common stock issued in connection with incentive stock plan | $ 3 | 1,898 |  |  | 1,901
Shares of common stock issued in connection with incentive stock plan (in shares) | 298,000 |  |  |  |
Stock issued to acquire business | $ 1 | 3,099 |  |  | 3,100
Stock issued to acquire business (in shares) | 91,000 |  |  |  |
Stock-based compensation expense |  | 2,774 |  |  | 2,774
Net income |  |  |  | 12,129 | 12,129
Balances at Dec. 29, 2017 | $ 88 | 50,976 |  | 19,588 | 70,652
Balances (in shares) at Dec. 29, 2017 | 8,799,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with employee stock purchase plan | $ 1 | 1,299 |  |  | 1,300
Shares of common stock issued in connection with employee stock purchase plan (in shares) | 65,000 |  |  |  |
Shares of common stock issued in connection with incentive stock plan | $ 1 | 667 |  |  | 668
Shares of common stock issued in connection with incentive stock plan (in shares) | 85,000 |  |  |  |
Unregistered sales of equity securities and use of proceeds (in shares) | (15,000) |  |  |  |
Shares used to pay taxes on stock grants |  | (442) |  |  | (442)
Restricted Stock Awards (in shares) | 22,000 |  |  |  |
Stock issued to acquire business | $ 20 | 55,246 |  |  | 55,266
Stock issued to acquire business (in shares) | 2,012,000 |  |  |  |
Stock-based compensation expense |  | 6,262 |  |  | 6,262
Net income |  |  |  | 10,030 | 10,030
Cumulative effect from adoption of ASC 606 | ASC 606 |  |  |  | 553 | 553
Balances at Dec. 28, 2018 | $ 110 | 114,008 |  | 30,171 | $ 144,289
Balances (in shares) at Dec. 28, 2018 | 10,968,000 |  |  |  | 10,968,000
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with employee stock purchase plan | $ 1 | 1,739 |  |  | $ 1,740
Shares of common stock issued in connection with employee stock purchase plan (in shares) | 62,000 |  |  |  |
Shares of common stock issued in connection with incentive stock plan | $ 1 | 930 |  |  | 931
Shares of common stock issued in connection with incentive stock plan (in shares) | 115,000 |  |  |  |
Shares used to pay taxes on stock grants | $ (2) | (2,878) |  |  | (2,880)
Shares used to pay taxes on stock grants (in shares) | (76,000) |  |  |  |
Restricted Stock Awards | $ 2 | (2) |  |  |
Restricted Stock Awards (in shares) | 213,000 |  |  |  |
Unregistered sales of stock | $ 1 | 1,699 |  |  | 1,700
Unregistered sales of stock (in shares) | 53,000 |  |  |  |
Stock issued to acquire business | $ 2 | 4,939 |  |  | 4,941
Stock issued to acquire business (in shares) | 162,000 |  |  |  |
Stock-based compensation expense |  | 12,112 |  |  | 12,112
Net income |  |  |  | 4,841 | 4,841
Net unrealized loss on derivative contracts |  |  | $ (396) |  | (396)
Balances at Dec. 27, 2019 | $ 115 | $ 132,547 | $ (396) | $ 35,012 | $ 167,278
Balances (in shares) at Dec. 27, 2019 | 11,497,000 |  |  |  | 11,497,000

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