CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands		Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings (Deficit)	Retained Earnings (Deficit) Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2020				30,874
Beginning balance at Dec. 31, 2020		$ 214,603		$ 9,257	$ 422,589		$ (189,565)		$ (27,678)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(34,291)					(34,291)
Foreign currency translation adjustment, net of tax		319							319
Non-cash compensation		2,330			2,330
Net settlement of vested stock awards (in shares)				19
Net settlement of vested stock awards		(101)		$ 6	(107)
Ending balance (in shares) at Mar. 31, 2021				30,893
Ending balance at Mar. 31, 2021		182,860		$ 9,263	424,812		(223,856)		(27,359)
Beginning balance (in shares) at Dec. 31, 2020				30,874
Beginning balance at Dec. 31, 2020		214,603		$ 9,257	422,589		(189,565)		(27,678)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	[1]	(142,966)
Ending balance (in shares) at Sep. 30, 2021				30,980
Ending balance at Sep. 30, 2021		75,437		$ 9,289	428,031		(332,531)		(29,352)
Beginning balance (in shares) at Mar. 31, 2021				30,893
Beginning balance at Mar. 31, 2021		182,860		$ 9,263	424,812		(223,856)		(27,359)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(17,493)					(17,493)
Foreign currency translation adjustment, net of tax		400							400
Non-cash compensation		2,138			2,138
Net settlement of vested stock awards (in shares)				86
Net settlement of vested stock awards		0		$ 26	(26)
Ending balance (in shares) at Jun. 30, 2021				30,979
Ending balance at Jun. 30, 2021		167,905		$ 9,289	426,924		(241,349)		(26,959)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(91,182)					(91,182)
Foreign currency translation adjustment, net of tax		(2,393)							(2,393)
Non-cash compensation		1,108			1,108
Net settlement of vested stock awards (in shares)				1
Net settlement of vested stock awards		(1)			(1)
Ending balance (in shares) at Sep. 30, 2021				30,980
Ending balance at Sep. 30, 2021		75,437		$ 9,289	428,031		(332,531)		(29,352)
Beginning balance (in shares) at Dec. 31, 2021				31,215
Beginning balance at Dec. 31, 2021		51,867	$ (1,827)	$ 9,359	444,824	$ (5,651)	(375,584)	$ 3,824	(26,732)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(32,462)					(32,462)
Issuance of common stock (in shares)				11,905
Issuance of common stock		9,768		$ 3,572	6,196
Foreign currency translation adjustment, net of tax		346							346
Non-cash compensation (in shares)				2
Non-cash compensation		(624)			(624)
Net settlement of vested stock awards		2			2
Ending balance (in shares) at Mar. 31, 2022				43,122
Ending balance at Mar. 31, 2022		$ 27,070		$ 12,931	444,747		(404,222)		(26,386)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adjustments for prior periods from adopting ASU 2020-06		ASU 2020-06 (ASC 470-20)
Beginning balance (in shares) at Dec. 31, 2021				31,215
Beginning balance at Dec. 31, 2021		$ 51,867	$ (1,827)	$ 9,359	444,824	$ (5,651)	(375,584)	$ 3,824	(26,732)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	[1]	(76,887)
Ending balance (in shares) at Sep. 30, 2022				43,224
Ending balance at Sep. 30, 2022		(28,730)		$ 12,962	445,839		(448,647)		(38,884)
Beginning balance (in shares) at Mar. 31, 2022				43,122
Beginning balance at Mar. 31, 2022		27,070		$ 12,931	444,747		(404,222)		(26,386)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(21,552)					(21,552)
Issuance of common stock (in shares)				102
Issuance of common stock		(71)		$ 31	(102)
Foreign currency translation adjustment, net of tax		(5,463)							(5,463)
Non-cash compensation		565			565
Ending balance (in shares) at Jun. 30, 2022				43,224
Ending balance at Jun. 30, 2022		549		$ 12,962	445,210		(425,774)		(31,849)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(22,873)
Foreign currency translation adjustment, net of tax		(7,035)
Non-cash compensation		629			629
Ending balance (in shares) at Sep. 30, 2022				43,224
Ending balance at Sep. 30, 2022		$ (28,730)		$ 12,962	$ 445,839		$ (448,647)		$ (38,884)

[1] Condensed consolidated statements of cash flows include discontinued operations. September 30, 2022September 30, 2021Cash and cash equivalents from continuing operations$56,387 $12,009 Cash and cash equivalents from discontinued operations10,641 4,963 Total$67,028 $16,972