CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT - USD ($) $ in Thousands	Series C Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Subscription Receivable	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total
Increase (Decrease) in Temporary Equity Deficit
Reclassification of warrant liabilities related to warrants exercised for cash							$ 1,596
Balance at the beginning at Dec. 31, 2020		$ 830	$ 1,008,665	$ (79)	$ (1,371,216)	$ (1,148)	(362,948)
Balance at the beginning (in shares) at Dec. 31, 2020		829,631,000
Increase (Decrease) in Stockholders' Deficit
Issuance of common stock for cash			16				16
Issuance of common stock for cash ( in shares)		69,000
Issuance of common stock for conversion of debt and accrued interest		$ 5	7,495				7,500
Issuance of common stock for conversion of debt and accrued interest (in shares)		5,145,000
Warrants and stock options exercised for cash		$ 50	12,058				12,108
Warrants and stock options exercised for cash (in shares)		50,340,000
Reclassification of warrant liabilities related to warrants exercised for cash			34,412				34,412
Cashless warrants and stock options exercise		$ 7	(7)
Cashless warrants and stock options exercise (in shares)		6,627,000
Reclassification of warrant liabilities related to cashless warrants exercise							1,596
Stock-based compensation			14,705				14,705
Stock-based compensation (in shares)		48,000
Reclassification of warrant liabilities based on authorized shares			(56,114)				(56,114)
Reclassification of warrant liabilities related to cashless warrants exercise			1,596				1,596
Cumulative translation adjustment						1,186	1,186
Net (loss) income					45,806		45,806
Balance at the end at Sep. 30, 2021		$ 892	$ 1,022,826	(79)	(1,325,410)	38	(301,733)
Balance at the end (in shares) at Sep. 30, 2021		891,860,000	1,022,826,000
Balance at the beginning at Jun. 30, 2021		$ 857	$ 1,021,107	(79)	(1,370,929)	(798)	(349,842)
Balance at the beginning (in shares) at Jun. 30, 2021		857,230,000
Increase (Decrease) in Stockholders' Deficit
Warrants exercised for cash		$ 34	8,001				8,035
Warrants exercised for cash (in shares)		34,142,000
Reclassification of warrant liabilities related to warrants exercised for cash			23,018				23,018
Cashless warrants and stock options exercise		$ 1	(1)
Cashless warrants and stock options exercise (in shares)		488,000
Stock-based compensation			1,263				1,263
Reclassification of warrant liabilities based on authorized shares			(30,566)				(30,566)
Reclassification of warrant liabilities related to cashless warrants exercise			4				4
Cumulative translation adjustment						836	836
Net (loss) income					45,519		45,519
Balance at the end at Sep. 30, 2021		$ 892	$ 1,022,826	(79)	(1,325,410)	38	(301,733)
Balance at the end (in shares) at Sep. 30, 2021		891,860,000	1,022,826,000
Balance at the beginning (in shares) at Dec. 31, 2021	0
Balance at the beginning at Dec. 31, 2021	$ 0
Increase (Decrease) in Temporary Equity Deficit
Issuance of stock for cash (in shares)	704,000
Issuance of stock for cash	$ 10,904
Issuance of stock in lieu of debt redemption (in shares)	126,000
Issuance of stock in lieu of debt redemption	$ 1,978
Issuance of stock by common stock warrant exercise (in shares)	55,000
Issuance of stock by common stock warrant exercise	$ 329
Reclassification of warrant liabilities related to warrants exercised for cash							26,800
Balance at the end (in shares) at Sep. 30, 2022	885,155
Balance at the end at Sep. 30, 2022	$ 13,746
Balance at the beginning at Dec. 31, 2021		$ 948	$ 1,066,873	(79)	(1,192,090)	357	(123,991)
Balance at the beginning (in shares) at Dec. 31, 2021		948,445,000
Increase (Decrease) in Stockholders' Deficit
Issuance of common stock for cash		$ 13	9,676				9,689
Issuance of common stock for cash ( in shares)		13,147,000
Warrants exercised for cash		$ 41	9,945				9,986
Warrants exercised for cash (in shares)		40,929,000
Issuance of common stock for conversion of debt and accrued interest		$ 11	7,602				7,613
Issuance of common stock for conversion of debt and accrued interest (in shares)		10,374,000
Reclassification of warrant liabilities related to warrants exercised for cash	$ 535		22,090				22,090
Cashless warrants and stock options exercise		$ 34	(34)
Cashless warrants and stock options exercise (in shares)		34,224,000
Reclassification of warrant liabilities related to cashless warrants exercise							26,800
Stock-based compensation		$ 4	9,737				9,741
Stock-based compensation (in shares)		4,141,000
Reclassification of warrant liabilities related to cashless warrants exercise			26,800				26,800
Cumulative translation adjustment						5,956	5,956
Net (loss) income					(76,734)		(76,734)
Balance at the end at Sep. 30, 2022		$ 1,051	1,152,689	(79)	(1,268,824)	6,313	(108,850)
Balance at the end (in shares) at Sep. 30, 2022		1,051,260,000
Increase (Decrease) in Temporary Equity Deficit
Issuance of stock for cash (in shares)	704,000
Issuance of stock for cash	$ 10,904
Issuance of stock in lieu of debt redemption (in shares)	126,000
Issuance of stock in lieu of debt redemption	$ 1,978
Issuance of stock by common stock warrant exercise (in shares)	55,000
Issuance of stock by common stock warrant exercise	$ 329
Reclassification of warrant liabilities related to warrants exercised for cash			1,421				1,421
Balance at the end (in shares) at Sep. 30, 2022	885,155
Balance at the end at Sep. 30, 2022	$ 13,746
Balance at the beginning at Jun. 30, 2022		$ 1,034	1,139,811	(79)	(1,235,972)	3,540	(91,666)
Balance at the beginning (in shares) at Jun. 30, 2022		1,034,475,000
Increase (Decrease) in Stockholders' Deficit
Warrants exercised for cash		$ 2	428				430
Warrants exercised for cash (in shares)		1,926,000
Issuance of common stock for conversion of debt and accrued interest		$ 7	5,274				5,281
Issuance of common stock for conversion of debt and accrued interest (in shares)		6,892,000
Reclassification of warrant liabilities related to warrants exercised for cash	$ 535		2,402				2,402
Cashless warrants and stock options exercise		$ 5	(5)
Cashless warrants and stock options exercise (in shares)		5,321,000
Reclassification of warrant liabilities related to cashless warrants exercise			1,421				1,421
Stock-based compensation		$ 3	3,358				3,361
Stock-based compensation (in shares)		2,636,000
Cumulative translation adjustment						2,773	2,773
Fractional shares adjustment		10,000
Net (loss) income					(32,852)		(32,852)
Balance at the end at Sep. 30, 2022		$ 1,051	$ 1,152,689	$ (79)	$ (1,268,824)	$ 6,313	$ (108,850)
Balance at the end (in shares) at Sep. 30, 2022		1,051,260,000