Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands |
Total |
Common Stock |
Treasury Stock |
Additional Paid-in Capital |
Accumulated Deficit |
Accumulated Other Comprehensive Income (Loss) |
| Beginning balance (in shares) at Dec. 31, 2018 |
|
39,880,054
|
852,482
|
|
|
|
| Beginning balance at Dec. 31, 2018 |
$ 51,171
|
$ 399
|
$ (1,899)
|
$ 144,739
|
$ (91,726)
|
$ (342)
|
| Exercise of common stock options (in shares) |
|
39,572
|
|
|
|
|
| Exercise of common stock options |
60
|
|
|
60
|
|
|
| Stock-based compensation cost |
1,661
|
|
|
1,661
|
|
|
| Vesting of restricted stock units (in shares) |
|
155,849
|
21,516
|
|
|
|
| Vesting of restricted stock units |
(30)
|
$ 2
|
$ (32)
|
|
|
|
| Net loss |
(9,021)
|
|
|
|
(9,021)
|
|
| Other comprehensive loss |
$ (177)
|
|
|
|
|
(177)
|
| Ending balance (in shares) at Dec. 31, 2019 |
39,201,477
|
40,075,475
|
873,998
|
|
|
|
| Ending balance at Dec. 31, 2019 |
$ 43,664
|
$ 401
|
$ (1,931)
|
146,460
|
(100,747)
|
(519)
|
| Exercise of common stock options (in shares) |
0
|
|
|
|
|
|
| Stock-based compensation cost |
$ 1,484
|
|
|
1,484
|
|
|
| Vesting of restricted stock units (in shares) |
|
503,048
|
60,162
|
|
|
|
| Vesting of restricted stock units |
(72)
|
$ 5
|
$ (73)
|
(4)
|
|
|
| Net loss |
(11,561)
|
|
|
|
(11,561)
|
|
| Other comprehensive loss |
$ (39)
|
|
|
|
|
(39)
|
| Ending balance (in shares) at Dec. 31, 2020 |
39,644,363
|
40,578,523
|
934,160
|
|
|
|
| Ending balance at Dec. 31, 2020 |
$ 33,476
|
$ 406
|
$ (2,004)
|
$ 147,940
|
$ (112,308)
|
$ (558)
|