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v3.20.1

Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Gain (Loss) | Accumulated Deficit | Total
--- | --- | --- | --- | --- | ---
Balance, Beginning at Dec. 31, 2018 |  | $ 253,222 | $ (233) | $ (140,474) | $ 112,515
Balance, Beginning (in shares) at Dec. 31, 2018 | 23,187,219 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Issuance of common stock upon under equity incentive and employee stock purchase plans |  | 390 |  |  | 390
Issuance of common stock upon under equity incentive and employee stock purchase plans (in shares) | 205,315 |  |  |  |
Stock-based compensation expense |  | 1,979 |  |  | 1,979
Other comprehensive gain |  |  | 44 |  | 44
Net loss |  |  |  | (14,103) | (14,103)
Balance, Ending at Mar. 31, 2019 |  | 255,591 | (189) | (154,577) | 100,825
Balance, Ending (in shares) at Mar. 31, 2019 | 23,392,534 |  |  |  |
Balance, Beginning at Dec. 31, 2019 |  | 297,846 | (221) | (217,661) | $ 79,964
Balance, Beginning (in shares) at Dec. 31, 2019 | 27,217,649 |  |  |  | 27,217,649
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Issuance of common stock upon under equity incentive and employee stock purchase plans |  | 406 |  |  | $ 406
Issuance of common stock upon under equity incentive and employee stock purchase plans (in shares) | 217,056 |  |  |  |
Stock-based compensation expense |  | 2,048 |  |  | 2,048
Other comprehensive gain |  |  | 328 |  | 328
Net loss |  |  |  | (20,080) | (20,080)
Balance, Ending at Mar. 31, 2020 |  | $ 300,300 | $ 107 | $ (237,741) | $ 62,666
Balance, Ending (in shares) at Mar. 31, 2020 | 27,434,705 |  |  |  | 27,434,705

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