Condensed Consolidated Statements of Stockholders Equity (Deficit) - USD ($)	Common Stock	APIC	Accumulated Deficit	Accumulated other Comprehensive income	Non-Controlling InterestAccumulated Non-Controlling Stockholders'	Preferred Stock [Member] Series B Preferred	Series B Preferred	Total
Balance at Dec. 31, 2020	$ 29,000	$ 240,821,000	$ (248,094,000)		$ (2,773,000)	$ 2,477,000		$ (7,540,000)
Balance (in shares) at Dec. 31, 2020	29,249,925					3,973
Stock-based compensation	$ 0	101,000	0		0	$ 0		101,000
Stock issued under "at-the-market" offering	$ 79,000	65,881,000	0		0	$ 0		65,960,000
Stock issued under "at-the-market" offering (in shares)	78,685,315					0
Warrants Exercised	$ 12,000	8,030,000	0		0	$ 0		8,042,000
Warrants Exercised (In shares)	11,655,747					0
Series A Preferred Stock Dividends	$ 0	0	(24,000)		0	$ 0		(24,000)
Conversion of Series A Preferred Stock to Common	$ 9,000	12,813,000	0		0	$ 0		12,822,000
Conversion of Series A Preferred Stock to Common (in shares)	8,996,768					0
Conversion of Series B Preferred Stock to Common	$ 3,000	3,971,000	(1,497,000)		0	$ (2,477,000)		0
Conversion of Series B Preferred Stock to Common (in shares)	3,454,783					(3,973)
Net loss	$ 0	0	(2,536,000)		0	$ 0		(2,536,000)
Non-controlling interest	0	0	0		(1,000)	0	$ 100,000	(1,000)
Effect of Series A Preferred Stock price adjustment	$ 0	7,402,000	(7,402,000)		0	$ 0		$ 0
Issuance of Common Stock, preferred Stock and Warrants in Units Offering, net of issuance costs (in shares)								78,700,000
Balance (in shares) at Mar. 31, 2021	132,042,538					0
Balance at Mar. 31, 2021	$ 132,000	339,019,000	(259,553,000)		$ (2,774,000)	$ 0		$ 76,824,000
Balance at Dec. 31, 2021	$ 132,000	336,560,000	(271,284,000)	$ 0		$ 0		65,408,000
Balance (in shares) at Dec. 31, 2021	132,042,538					0
Stock-based compensation	$ 0	112,000	0	0		$ 0		112,000
Issuance of Common Stock for VCN Acquisition	$ 26,000	6,573,000	0	0		$ 0		6,599,000
Issuance of Common Stock for VCN Acquisition (in shares)	26,395,303					0
Translation gains (losses)	$ 0	0	0	181,000		$ 0		$ 181,000
Warrants Exercised (In shares)	0							0
Conversion of Series A Preferred Stock to Common (in shares)						0
Net loss	$ 0	0	(4,273,000)	0		$ 0		$ (4,273,000)
Non-controlling interest								$ 0
Issuance of Common Stock, preferred Stock and Warrants in Units Offering, net of issuance costs (in shares)								0
Balance (in shares) at Mar. 31, 2022	158,437,841					0
Balance at Mar. 31, 2022	$ 158,000	$ 343,245,000	$ (275,557,000)	$ 181,000		$ 0		$ 68,027,000