Equity - Changes in Shareholders' Equity (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||
---|---|---|---|---|---|---|---|
Feb. 13, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
Balance at beginning of period | $ 141,063 | $ 87,432 | $ 86,350 | $ 91,585 | $ 87,432 | $ 91,585 | |
Exercise of common stock options | 1,626 | 58 | 246 | 4,454 | |||
Issuance for employee stock purchase plan | 444 | $ 357 | |||||
Issuance for employee stock purchase plan, shares | 39,411 | 32,826 | |||||
Shares withheld for employee taxes upon vesting of RSUs | (564) | (35) | (488) | $ (1,358) | |||
Stock-based compensation | 5,584 | 4,951 | 4,162 | 4,263 | |||
Equity component of 2020 Convertible Notes, net of issuance costs of $1,773 | 44,777 | ||||||
Equity component of transaction costs for 2020 Convertible Notes | $ 1,773 | 1,773 | 1,773 | ||||
Net income (loss) | 8,058 | 450 | (4,712) | (9,700) | 8,508 | $ (14,412) | |
Balance at end of period | 155,767 | 141,063 | 85,823 | 86,350 | 155,767 | 85,823 | |
Common Stock | |||||||
Balance at beginning of period | $ 34 | $ 34 | $ 33 | $ 33 | $ 34 | $ 33 | |
Balance at beginning of year, shares | 34,306,040 | 33,678,840 | 33,385,128 | 33,265,629 | 33,678,840 | 33,265,629 | |
Exercise of common stock options, shares | 131,562 | 8,218 | 18,693 | 455,573 | |||
Issuance for employee stock purchase plan, shares | 32,826 | 39,411 | |||||
Vesting of restricted stock units, shares | 83,461 | 26,304 | 101,483 | 195,280 | |||
Shares withheld for employee taxes upon vesting of RSUs, shares | (26,761) | (3,097) | (33,503) | (63,064) | |||
Balance at end of period | $ 34 | $ 34 | $ 33 | $ 33 | $ 34 | $ 33 | |
Balance at end of year, shares | 34,494,302 | 34,306,040 | 33,416,553 | 33,385,128 | 34,494,302 | 33,416,553 | |
Additional Paid-In Capital | |||||||
Balance at beginning of period | $ 500,478 | $ 447,297 | $ 433,194 | $ 428,729 | $ 447,297 | $ 428,729 | |
Exercise of common stock options | 1,626 | 58 | 246 | 4,454 | |||
Issuance for employee stock purchase plan | 444 | 357 | |||||
Shares withheld for employee taxes upon vesting of RSUs | (564) | (35) | (488) | (1,358) | |||
Stock-based compensation | 5,584 | 4,951 | 4,162 | 4,263 | |||
Equity component of 2020 Convertible Notes, net of issuance costs of $1,773 | 44,777 | ||||||
Balance at end of period | 507,124 | 500,478 | 437,379 | 433,194 | 507,124 | 437,379 | |
Accumulated Deficit | |||||||
Balance at beginning of period | (359,449) | (359,899) | (346,877) | (337,177) | (359,899) | (337,177) | |
Net income (loss) | 8,058 | 450 | (4,712) | (9,700) | |||
Balance at end of period | $ (351,391) | $ (359,449) | $ (351,589) | $ (346,877) | $ (351,391) | $ (351,589) |