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CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands | Common Stock | Additional Paid-in Capital | Retained Earnings (Deficit) | Accumulated Other Comprehensive (Loss) Income | Total
--- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2016 | $ 228 | $ 151,185 | $ 21,657 | $ (1,596) | $ 171,474
Balance at beginning of period (in shares) at Dec. 31, 2016 | 22,795,039 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net loss |  |  | (31,790) |  | (31,790)
Unrealized income (loss) on foreign exchange rate translation |  |  |  | 1,091 |
Income tax expense (benefit) |  |  |  | (275) |
Other comprehensive income (loss) |  |  |  | 816 | 816
Issuance of common stock under stock compensation plans | $ 1 | (1) |  |  |
Issuance of common stock under stock compensation plans (in shares) | 92,448 |  |  |  |
Stock-based compensation expense |  | 656 |  |  | 656
Issuance of common stock as compensation |  | 320 |  |  | 320
Issuance of common stock as compensation (in shares) | 67,498 |  |  |  |
Shares exchanged for taxes on stock-based compensation |  | (158) |  |  | (158)
Shares exchanged for taxes on stock-based compensation (in shares) | (28,180) |  |  |  |
Balance at end of period at Dec. 31, 2017 | $ 229 | 152,022 | (10,153) | (780) | 141,318
Balance at end of period (in shares) at Dec. 31, 2017 | 22,926,805 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Impact of adopting ASUs |  | 20 | (20) |  |
Cash in lieu of fractional shares for stock dividend |  |  | (1) |  | (1)
Cash in lieu of fractional shares for stock dividend (in shares) | (101) |  |  |  |
Net loss |  |  | (24,407) |  | (24,407)
Unrealized income (loss) on foreign exchange rate translation |  |  |  | (1,141) |
Other comprehensive income (loss) |  |  |  | (1,141) | (1,141)
Issuance of common stock under stock compensation plans | $ 1 | (1) |  |  |
Issuance of common stock under stock compensation plans (in shares) | 51,384 |  |  |  |
Stock-based compensation expense |  | 1,037 |  |  | 1,037
Issuance of common stock as compensation |  | 331 |  |  | 331
Issuance of common stock as compensation (in shares) | 59,284 |  |  |  |
Shares exchanged for taxes on stock-based compensation |  | (121) |  |  | (121)
Shares exchanged for taxes on stock-based compensation (in shares) | (18,931) |  |  |  |
Balance at end of period at Dec. 31, 2018 | $ 230 | 153,268 | (34,518) | (1,964) | $ 117,016
Balance at end of period (in shares) at Dec. 31, 2018 | 23,018,441 |  |  |  | 22,969,996
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Impact of adopting ASUs |  |  | 43 | (43) |
Net loss |  |  | (15,213) |  | $ (15,213)
Unrealized income (loss) on foreign exchange rate translation |  |  |  | 504 |
Income tax expense (benefit) |  |  |  | (112) |
Other comprehensive income (loss) |  |  |  | 392 | 392
Issuance of common stock under stock compensation plans | $ 2 | (2) |  |  |
Issuance of common stock under stock compensation plans (in shares) | 263,459 |  |  |  |
Stock-based compensation expense |  | 909 |  |  | 909
Issuance of common stock as compensation | $ 1 | 296 |  |  | 297
Issuance of common stock as compensation (in shares) | 119,556 |  |  |  |
Shares exchanged for taxes on stock-based compensation |  | (236) |  |  | (236)
Shares exchanged for taxes on stock-based compensation (in shares) | (65,601) |  |  |  |
Balance at end of period at Dec. 31, 2019 | $ 233 | $ 154,235 | $ (49,731) | $ (1,572) | $ 103,165
Balance at end of period (in shares) at Dec. 31, 2019 | 23,335,855 |  |  |  | 23,287,410

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