CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Beginning balance at Dec. 31, 2020	$ 471	$ 142,563	$ (156,690)	$ (62)	$ (13,718)
Beginning balance (in shares) at Dec. 31, 2020	470,694,621
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cashless warrant exercise	$ 11	(11)	0	0	0
Cashless warrant exercise (in shares)	10,925,000
Reclassification of warrant liability due to cashless warrant exercise	$ 0	2,030	0	0	2,030
Reclassification of warrant liability due to cashless warrant exercise (in shares)	0
Net loss	$ 0	0	(27,259)	0	(27,259)
Foreign currency translation adjustment	0	0	0	(11)	(11)
Ending balance at Dec. 31, 2021	$ 482	144,582	(183,949)	(73)	(38,958)
Ending balance (in shares) at Dec. 31, 2021	481,619,621
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(5,101)
Ending balance at Mar. 31, 2022					(38,067)
Beginning balance at Dec. 31, 2021	$ 482	144,582	(183,949)	(73)	(38,958)
Beginning balance (in shares) at Dec. 31, 2021	481,619,621
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(3,457)
Ending balance at Jun. 30, 2022					(35,535)
Beginning balance at Dec. 31, 2021	$ 482	144,582	(183,949)	(73)	(38,958)
Beginning balance (in shares) at Dec. 31, 2021	481,619,621
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(4,596)
Ending balance at Sep. 30, 2022					(35,313)
Beginning balance at Dec. 31, 2021	$ 482	144,582	(183,949)	(73)	(38,958)
Beginning balance (in shares) at Dec. 31, 2021	481,619,621
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cashless warrant exercise	$ 14	2,152	0	0	2,166
Cashless warrant exercise (in shares)	14,000,000
Warrant exercise	$ 1	99	0	0	100
Warrant exercise (in shares)	909,091
Shares issued in conjunction with senior note	$ 20	3,700	0	0	3,720
Shares issued in conjunction with senior note (in shares)	20,666,993
Shares issued for settlement of debt and warrants	$ 20	1,341	0	0	1,361
Shares issued for settlement of debt and warrants (in shares)	19,444,446
Shares issued for services	$ 12	876	0	0	888
Shares issued for services (in shares)	12,097,500
Net loss	$ 0	0	(10,293)	0	(10,293)
Foreign currency translation adjustment	0	0	0	6	6
Ending balance at Dec. 31, 2022	$ 549	$ 152,750	$ (194,242)	$ (67)	(41,010)
Ending balance (in shares) at Dec. 31, 2022	548,737,651
Beginning balance at Mar. 31, 2022					(38,067)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					1,645
Ending balance at Jun. 30, 2022					(35,535)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(1,139)
Ending balance at Sep. 30, 2022					$ (35,313)