CONSOLIDATED STATEMENT OF STOCKHOLDERS' DEFICIT - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands |
Common Stock |
Treasury Stock |
Additional Paid-in Capital |
Accumulated Deficit |
Total |
|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2017 | $ 11 | $ (6) | $ 13,429 | $ (273,513) | $ (260,079) |
| Beginning balance (in shares) at Dec. 31, 2017 | 11,139,690 | 53,676 | 11,139,690 | ||
| Increase (Decrease) in Stockholders' Equity (Deficit) | |||||
| Exercise of stock options | 976 | $ 976 | |||
| Exercise of stock options (in shares) | 274,840 | ||||
| Stock-based compensation expense | 2,389 | 2,389 | |||
| Accretion of preferred stock to redemption value | (16,794) | (23,245) | (40,039) | ||
| Repurchase of common stock (in shares) | (1,728) | 1,728 | |||
| Net loss | (20,594) | (20,594) | |||
| Ending balance at Mar. 31, 2018 | $ 11 | $ (6) | $ 0 | $ (317,352) | $ (317,347) |
| Ending balance (in shares) at Mar. 31, 2018 | 11,412,802 | 55,404 | 11,412,802 |