CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ (DEFICIT) EQUITY - USD ($) $ in Thousands	Total	Private Placement	Registered Direct Offering	Common Stock	Common Stock Private Placement	Common Stock Registered Direct Offering	Additional paid in capital	Additional paid in capital Private Placement	Additional paid in capital Registered Direct Offering	Treasury stock	Accumulated deficit
Beginning balance, common shares (in shares) at Dec. 31, 2021				135,566,227
Beginning balance at Dec. 31, 2021	$ 122,368			$ 14			$ 253,744			$ 0	$ (131,390)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(91,779)										(91,779)
Equity-based compensation expense	11,160						11,160
Repurchase of shares as a result of Forward Share Purchase Agreements (in shares)				(9,952,803)						(9,952,803)
Repurchase of shares as a result of Forward Share Purchase Agreements	(57,350)									$ (57,350)
Issuance of common stock as consideration for the acquisition of ProModel Corporation (in shares)				649,976
Issuance of common stock as consideration for the acquisition of ProModel Corporation	7,501						7,501
Exercise of warrants (in shares)				51
Exercise of warrants	1						1
Issuance of shares vested for RSUs (in shares)				9,764
Ending balance, common shares (in shares) at Sep. 30, 2022				126,273,215
Ending balance at Sep. 30, 2022	(8,099)			$ 14			272,406			(57,350)	(223,169)
Beginning balance, common shares (in shares) at Jun. 30, 2022				126,263,451
Beginning balance at Jun. 30, 2022	5,789			$ 14			270,184			(57,350)	(207,059)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(16,110)										(16,110)
Equity-based compensation expense	2,222						2,222
Issuance of shares vested for RSUs (in shares)				9,764
Ending balance, common shares (in shares) at Sep. 30, 2022				126,273,215
Ending balance at Sep. 30, 2022	$ (8,099)			$ 14			272,406			(57,350)	(223,169)
Beginning balance, common shares (in shares) at Dec. 31, 2022	127,022,363			127,022,363
Beginning balance at Dec. 31, 2022	$ (37,872)			$ 14			272,528			(57,350)	(253,064)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(39,110)										(39,110)
Equity-based compensation expense	12,592						12,592
Issuance of Private Placement shares (in shares)					13,888,889	11,848,341
Issuance of Private Placement shares		$ 7,081	$ 6,765		$ 2	$ 1		$ 7,079	$ 6,764
Issuance of shares for equity-based compensation awards, net (in shares)				2,585,688
Issuance of shares for equity-based compensation awards, net	(2,276)						(2,276)
Issuance of shares for exercised convertible notes (in shares)				188
Issuance of shares purchased under ESPP (in shares)				708,470
Issuance of shares purchased under ESPP	$ 531						531
Ending balance, common shares (in shares) at Sep. 30, 2023	156,053,939			156,053,939
Ending balance at Sep. 30, 2023	$ (52,289)			$ 17			297,218			(57,350)	(292,174)
Beginning balance, common shares (in shares) at Jun. 30, 2023				155,452,774
Beginning balance at Jun. 30, 2023	(61,573)			$ 17			291,933			(57,350)	(296,173)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	3,999										3,999
Equity-based compensation expense	4,793						4,793
Issuance of shares for equity-based compensation awards, net (in shares)				601,165
Issuance of shares for equity-based compensation awards, net	(39)						(39)
Issuance of shares purchased under ESPP	$ 531						531
Ending balance, common shares (in shares) at Sep. 30, 2023	156,053,939			156,053,939
Ending balance at Sep. 30, 2023	$ (52,289)			$ 17			$ 297,218			$ (57,350)	$ (292,174)