Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) - USD ($) shares in Thousands, $ in Thousands	Preferred Stock Series A Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Total
Balance at Dec. 31, 2020	$ 2,811	$ 266	$ 504,162		$ (648,511)	$ (144,083)
Balance (in shares) at Dec. 31, 2020		265,582
Changes in Stockholders' Equity (Deficit)
Conversion of preferred stock		$ 54	45,512			45,566
Conversion of preferred stock (in shares)		54,166
Issuance of common stock, net		$ 113	200,327			200,440
Issuance of common stock (in shares)		112,571
Exercise of stock options and ESPP purchases		$ 4	3,885			3,889
Exercise of stock options and ESPP purchases (in shares)		5,027
Exchange and conversion of convertible notes, net		$ 5	6,496			6,501
Exchange and conversion of convertible notes, net (in shares)		4,925
Issuance of common stock for vested RSUs and ESPP purchase		$ 3	47			50
Issuance of common stock for vested RSUs and ESPP purchase (in shares)		2,854
Stock-based compensation expense			4,833			4,833
Net Income (Loss)					(429,820)	(429,820)
Other comprehensive loss, net of tax				$ (16)		(16)
Balance at Jun. 30, 2021		$ 445	765,262	(16)	(1,078,331)	(312,640)
Balance (in shares) at Jun. 30, 2021		445,125
Increase (Decrease) in Temporary Equity
Issuance of convertible preferred stock, net	42,756
Conversion of preferred stock	(45,567)
Balance at Dec. 31, 2020	$ 2,811	$ 266	504,162		(648,511)	(144,083)
Balance (in shares) at Dec. 31, 2020		265,582
Changes in Stockholders' Equity (Deficit)
Net Income (Loss)						(302,500)
Balance at Dec. 31, 2021		$ 447	765,215	(212)	(950,985)	(185,535)
Balance (in shares) at Dec. 31, 2021		447,282
Balance at Mar. 31, 2021		$ 428	711,698		(898,025)	(185,899)
Balance (in shares) at Mar. 31, 2021		427,915
Changes in Stockholders' Equity (Deficit)
Issuance of common stock, net		$ 13	48,340			48,353
Issuance of common stock (in shares)		12,831
Exercise of stock options and warrants		$ 1	2,190			2,191
Exercise of stock options and warrants (in shares)		1,588
Issuance of common stock for vested RSUs and ESPP purchase		$ 3				3
Issuance of common stock for vested RSUs and ESPP purchase (in shares)		2,791
Stock-based compensation expense			3,034			3,034
Net Income (Loss)					(180,306)	(180,306)
Other comprehensive loss, net of tax				(16)		(16)
Balance at Jun. 30, 2021		$ 445	765,262	(16)	(1,078,331)	(312,640)
Balance (in shares) at Jun. 30, 2021		445,125
Balance at Dec. 31, 2021		$ 447	765,215	(212)	(950,985)	(185,535)
Balance (in shares) at Dec. 31, 2021		447,282
Changes in Stockholders' Equity (Deficit)
Issuance of common stock, net		$ 3	8,001			8,004
Issuance of common stock (in shares)		3,077
Exercise of stock options and warrants		$ 9	230			239
Exercise of stock options and warrants (in shares)		9,211
Issuance of common stock for vested RSUs and ESPP purchase		$ 7	56			63
Issuance of common stock for vested RSUs and ESPP purchase (in shares)		6,849
Stock-based compensation expense			4,321			4,321
Shares withheld related to net share settlement of equity awards		$ (1)	(1,183)			(1,184)
Shares withheld related to net share settlement of equity awards (in shares)		(1,093)
Net Income (Loss)					190,949	190,949
Other comprehensive loss, net of tax				(916)		(916)
Balance at Jun. 30, 2022		$ 465	776,640	(1,128)	(760,036)	15,941
Balance (in shares) at Jun. 30, 2022		465,326
Balance at Mar. 31, 2022		$ 463	775,172	(837)	(864,267)	(89,469)
Balance (in shares) at Mar. 31, 2022		463,229
Changes in Stockholders' Equity (Deficit)
Exercise of stock options and warrants			68			68
Exercise of stock options and warrants (in shares)		127
Issuance of common stock for vested RSUs and ESPP purchase		$ 3	(2)			1
Issuance of common stock for vested RSUs and ESPP purchase (in shares)		3,063
Stock-based compensation expense			2,585			2,585
Shares withheld related to net share settlement of equity awards		$ (1)	(1,183)			(1,184)
Shares withheld related to net share settlement of equity awards (in shares)		(1,093)
Net Income (Loss)					104,231	104,231
Other comprehensive loss, net of tax				(291)		(291)
Balance at Jun. 30, 2022		$ 465	$ 776,640	$ (1,128)	$ (760,036)	$ 15,941
Balance (in shares) at Jun. 30, 2022		465,326