CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Beginning balance at Dec. 31, 2019	$ 0	$ 294	$ 115,458	$ (125,753)	$ (62)	$ (10,063)
Beginning balance (in shares) at Dec. 31, 2019	0	293,780,400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	$ 0	0	(30,937)	0	(30,937)
Proceeds from warrant exercise	$ 0	$ 1	9	0	0	10
Proceeds from warrant exercise (in shares)	0	1,000,000
Conversion of short term notes and convertible notes payable	$ 0	$ 5	560	0	0	565
Conversion of short term notes and convertible notes payable (in shares)	0	4,829,789
Reclassification of warrant liability to equity	$ 0	$ 0	6,293	0	0	6,293
Conversion of advances from related parties	$ 0	$ 0	18	0	0	18
Conversion of advances from related parties (in shares)	0	262,811
Conversion of notes payable, related parties	$ 0	$ 15	2,276	0	0	2,291
Conversion of notes payable, related parties (in shares)	0	15,475,235
Shares issued for services	$ 0	$ 13	2,533	0	0	2,546
Shares issued for services (in shares)	0	12,700,000
Proceeds from PIPE offering, net of offering costs	$ 0	$ 125	12,558	0	0	12,683
Proceeds from PIPE offering, net of offering costs (in shares)	0	124,621,428
Stock-based compensation	$ 0	$ 0	22	0	0	22
Proceeds from stock option exercise	$ 0	$ 0	48	0	0	48
Proceeds from stock option exercise (in shares)	0	325,000
Beneficial conversion feature on convertible debt	$ 0	$ 0	561	0	0	561
LGH Warrant Liability	0	0	(249)	0	0	(249)
Series C and Series D preferred stock converted to common stock	$ 0	$ 18	2,432	0	0	2,450
Series C and Series D preferred stock converted to common stock (in shares)	0	17,499,958
Inducement shares issued	$ 0	$ 0	44	0	0	44
Inducement shares issued (in shares)	0	200,000
Foreign currency translation adjustment	$ 0	$ 0	0	0	0	0
Ending balance at Dec. 31, 2020	$ 0	$ 471	142,563	(156,690)	(62)	(13,718)
Ending balance (in shares) at Dec. 31, 2020	0	470,694,621
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	$ 0	0	(27,259)	0	(27,259)
Reclassification of warrant liability to equity						2,030
Foreign currency translation adjustment	0	0	0	0	(11)	(11)
Cashless warrant exercise	$ 0	$ 11	(11)	0	0	0
Cashless warrant exercise (in shares)	0	10,925,000
Reclassification of warrant liability due to cashless warrant exercise	$ 0	$ 0	2,030	0	0	2,030
Reclassification of warrant liability due to cashless warrant exercise (in shares)	0	0
Ending balance at Dec. 31, 2021	$ 0	$ 482	$ 144,582	$ (183,949)	$ (73)	$ (38,958)
Ending balance (in shares) at Dec. 31, 2021	0	481,619,621