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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Earnings | Accumulated Other Comprehensive (Loss) Income | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2015 | $ 118,176 |  | $ 173 | $ 124,619 | $ 14,134 | $ (7,600) | $ (13,150)
Beginning Balance, shares at Dec. 31, 2015 |  |  | 17,336,000 |  |  |  |
Beginning Balance, treasury stock, shares at Dec. 31, 2015 |  |  |  |  |  |  | (1,659,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | (7,517) |  |  |  | (7,517) |  |
Other comprehensive (loss) income | (9,209) | [1] |  |  |  | (9,209) |
Stock-based compensation | 3,651 |  |  | 3,651 |  |  |
Issuance of common stock under employee stock purchase plan | 146 |  |  | 146 |  |  |
Issuance of common stock under employee stock purchase plan, shares |  |  | 18,000 |  |  |  |
Shares withheld, repurchased and retired related to minimum statutory tax withholding requirements | (313) |  |  | (313) |  |  |
Shares withheld, repurchased and retired related to minimum statutory tax withholding requirements, shares |  |  | (32,000) |  |  |  |
Excess tax shortfall on share-based awards | (869) |  |  | (869) |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures | 2,437 |  | $ 11 | 2,426 |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures, shares |  |  | 1,099,000 |  |  |  |
Ending Balance, treasury stock, shares at Dec. 31, 2016 |  |  |  |  |  |  | (1,659,000)
Ending Balance, shares at Dec. 31, 2016 |  |  | 18,421,000 |  |  |  |
Ending Balance at Dec. 31, 2016 | 106,502 |  | $ 184 | 129,660 | 6,617 | (16,809) | $ (13,150)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | (11,034) |  |  |  | (11,034) |  |
Other comprehensive (loss) income | 5,492 | [1] |  |  |  | 5,492 |
Stock-based compensation | 3,518 |  |  | 3,518 |  |  |
Issuance of common stock under employee stock purchase plan | 358 |  |  | 358 |  |  |
Issuance of common stock under employee stock purchase plan, shares |  |  | 47,000 |  |  |  |
Shares withheld, repurchased and retired related to minimum statutory tax withholding requirements | (392) |  |  | (392) |  |  |
Shares withheld, repurchased and retired related to minimum statutory tax withholding requirements, shares |  |  | (43,000) |  |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures | $ 1,221 |  | $ 4 | 1,217 |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures, shares |  |  | 363,000 |  |  |  |
Ending Balance, treasury stock, shares at Dec. 31, 2017 | (1,658,991) |  |  |  |  |  | (1,659,000)
Ending Balance, shares at Dec. 31, 2017 | 17,128,825 |  | 18,788,000 |  |  |  |
Ending Balance at Dec. 31, 2017 | $ 105,665 |  | $ 188 | 134,361 | (4,417) | (11,317) | $ (13,150)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | (8,232) |  |  |  | (8,232) |  |
Other comprehensive (loss) income | (3,414) | [1] |  |  |  | (3,414) |
Stock-based compensation | 3,321 |  |  | 3,321 |  |  |
Issuance of common stock under employee stock purchase plan | 167 |  |  | 167 |  |  |
Issuance of common stock under employee stock purchase plan, shares |  |  | 17,000 |  |  |  |
Sale of treasury stock | 4,464 |  |  | 1,478 |  |  | $ 2,986
Sale of treasury stock, shares |  |  |  |  |  |  | 377,000
Exercise of stock options and issuance of restricted stock awards, net of forfeitures | $ 292 |  | $ 2 | 290 |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures, shares |  |  | 221,000 |  |  |  |
Ending Balance, treasury stock, shares at Dec. 31, 2018 | (1,282,422) |  |  |  |  |  | (1,282,000)
Ending Balance, shares at Dec. 31, 2018 | 17,743,971 |  | 19,026,000 |  |  |  |
Ending Balance at Dec. 31, 2018 | $ 99,515 |  | $ 190 | $ 139,617 | $ (15,397) | $ (14,731) | $ (10,164)
[1] | Tax impact was nominal for all periods.

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