Unaudited Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Ordinary shares | Additional Paid-in Capital [Member] | Accumulated deficit | Accumulated other comprehensive income (loss) | Total |
Stockholders' equity, beginning balance at Dec. 31, 2020 | $ 625 | $ 548,070 | $ (452,610) | $ (2,229) | $ 93,856 |
Shares, Outstanding, Beginning Balance at Dec. 31, 2020 | 62,545,832 | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Share compensation, value | $ 2 | 1,309 | | | 1,311 |
Share compensation, shares | 173,299 | | | | |
Net loss | | | (9,612) | | (9,612) |
Payments for taxes related to the net share settlement of equity awards | | (358) | | | (358) |
Stockholders' equity, ending balance at Mar. 31, 2021 | $ 627 | 549,021 | (462,222) | (2,229) | 85,197 |
Shares, Outstanding, Ending Balance at Mar. 31, 2021 | 62,719,131 | | | | |
Stockholders' equity, beginning balance at Dec. 31, 2020 | $ 625 | 548,070 | (452,610) | (2,229) | 93,856 |
Shares, Outstanding, Beginning Balance at Dec. 31, 2020 | 62,545,832 | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net loss | | | | | (27,339) |
Stockholders' equity, ending balance at Jun. 30, 2021 | $ 628 | 550,004 | (479,949) | (2,229) | 68,454 |
Shares, Outstanding, Ending Balance at Jun. 30, 2021 | 62,848,062 | | | | |
Stockholders' equity, beginning balance at Mar. 31, 2021 | $ 627 | 549,021 | (462,222) | (2,229) | 85,197 |
Shares, Outstanding, Beginning Balance at Mar. 31, 2021 | 62,719,131 | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Share compensation, value | $ 1 | 1,232 | | | 1,233 |
Share compensation, shares | 128,931 | | | | |
Net loss | | | (17,727) | | (17,727) |
Payments for taxes related to the net share settlement of equity awards | | (249) | | | (249) |
Stockholders' equity, ending balance at Jun. 30, 2021 | $ 628 | 550,004 | (479,949) | (2,229) | 68,454 |
Shares, Outstanding, Ending Balance at Jun. 30, 2021 | 62,848,062 | | | | |
Stockholders' equity, beginning balance at Dec. 31, 2021 | $ 833 | 591,730 | (517,530) | 1,700 | 76,733 |
Shares, Outstanding, Beginning Balance at Dec. 31, 2021 | 83,297,567 | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Share compensation, value | $ 2 | 1,326 | | | 1,328 |
Share compensation, shares | 217,844 | | | | |
Net loss | | | (6,821) | | (6,821) |
Payments for taxes related to the net share settlement of equity awards | | (57) | | | (57) |
Change in credit risk associated with fair value of debt | | | | (1,700) | (1,700) |
Stockholders' equity, ending balance at Mar. 31, 2022 | $ 835 | 592,999 | (524,351) | | 69,483 |
Shares, Outstanding, Ending Balance at Mar. 31, 2022 | 83,515,411 | | | | |
Stockholders' equity, beginning balance at Dec. 31, 2021 | $ 833 | 591,730 | (517,530) | $ 1,700 | 76,733 |
Shares, Outstanding, Beginning Balance at Dec. 31, 2021 | 83,297,567 | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Net loss | | | | | (18,927) |
Stockholders' equity, ending balance at Jun. 30, 2022 | $ 836 | 594,132 | (536,457) | | 58,511 |
Shares, Outstanding, Ending Balance at Jun. 30, 2022 | 83,617,567 | | | | |
Stockholders' equity, beginning balance at Mar. 31, 2022 | $ 835 | 592,999 | (524,351) | | 69,483 |
Shares, Outstanding, Beginning Balance at Mar. 31, 2022 | 83,515,411 | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | |
Share compensation, value | $ 1 | 1,207 | | | 1,208 |
Share compensation, shares | 102,156 | | | | |
Net loss | | | (12,106) | | (12,106) |
Payments for taxes related to the net share settlement of equity awards | | (74) | | | (74) |
Stockholders' equity, ending balance at Jun. 30, 2022 | $ 836 | $ 594,132 | $ (536,457) | | $ 58,511 |
Shares, Outstanding, Ending Balance at Jun. 30, 2022 | 83,617,567 | | | | |