Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Private Placement [Member] Preferred Stock [Member] Series A Preferred Stock [Member]	Private Placement [Member] Common Stock [Member]	Private Placement [Member] Additional Paid-in Capital [Member]	Private Placement [Member] AOCI Attributable to Parent [Member]	Private Placement [Member] Noncontrolling Interest [Member]	Private Placement [Member]	December 2020 Public Offering [Member] Preferred Stock [Member] Series A Preferred Stock [Member]	December 2020 Public Offering [Member] Common Stock [Member]	December 2020 Public Offering [Member] Additional Paid-in Capital [Member]	December 2020 Public Offering [Member] AOCI Attributable to Parent [Member]	December 2020 Public Offering [Member] Noncontrolling Interest [Member]	December 2020 Public Offering [Member]	Series A Preferred Stock Converted into Common Stock [Member] Preferred Stock [Member] Series A Preferred Stock [Member]	Series A Preferred Stock Converted into Common Stock [Member] Common Stock [Member]	Series A Preferred Stock Converted into Common Stock [Member] Additional Paid-in Capital [Member]	Series A Preferred Stock Converted into Common Stock [Member] AOCI Attributable to Parent [Member]	Series A Preferred Stock Converted into Common Stock [Member] Noncontrolling Interest [Member]	Series A Preferred Stock Converted into Common Stock [Member]	Preferred Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Series A Preferred Stock [Member]	Total
Balance (in shares) at Dec. 31, 2019																			0	28,686,116
Balance at Dec. 31, 2019																			$ 0	$ 24	$ 149,840	$ (75,686)	$ 2,500		$ 76,678
Issuance of common stock (in shares)																			0	4,245,256
Issuance of common stock																			$ 0		8,490				8,490
Shares and warrants, net of costs (in shares)	660,000	2,300,000					0	11,250,000
Shares and warrants, net of costs	$ 0	$ 0	$ 16,736	$ 0	$ 0	$ 16,736	$ 0	$ 1	$ 20,475	$ 0	$ 0	$ 20,476
Conversion into common stock (in shares)													(660,000)	6,600,000
Conversion into common stock													$ 0	$ 1	$ (1)	$ 0	$ 0	$ 0
Deemed dividends																			0	0	3,564	0	0		3,564
Dividends from subsidiaries																			0	0	0	0	(218)		(218)
Net loss — the Company																			0	0	0	(81,706)	0		(81,706)
Net loss — non-controlling interest																			$ 0	$ 0	0	0	(1,112)		(1,112)
Options exercised (in shares)																			0	469,754
Options exercised																			$ 0	$ 0	356	0	0		356
Disposal of subsidiary																			0	0	0	0	(1,641)		(1,641)
Stock-based compensation																			0	0	2,138	0	0		2,138
Disposal of subsidiary																			$ (0)	$ (0)	(0)	(0)	1,641		1,641
Balance (in shares) at Dec. 31, 2020																			0	53,551,126
Balance at Dec. 31, 2020																			$ 0	$ 26	201,598	(157,392)	(471)		43,761
Issuance of common stock (in shares)	3,790,755	9,808,418
Issuance of common stock	$ 0	$ 1	$ 16,587	$ 0	$ 0	$ 16,588
Dividends from subsidiaries																			0	0	0	0	(293)		(293)
Net loss — the Company																			0	0	0	(23,013)	0		(23,013)
Net loss — non-controlling interest																			$ 0	$ 0	0	0	872		$ 872
Options exercised (in shares)																			0	261,836					261,836
Options exercised																			$ 0	$ 0	354	0	0		$ 354
Disposal of subsidiary																			0	0	0	0	(204)		(204)
Stock-based compensation																			$ 0	$ 0	2,068	0	0		2,068
December 2020 Public Offering warrants exercise (in shares)																			0	361,200
December 2020 Public Offering warrants exercise																			$ 0	$ 0	903	0	0		903
Beneficial conversion feature																			0	0	152	0	0	$ 152	152
Acquisition of non-controlling interest																			0	0	(341)	0	341		0
Disposal of subsidiary																			$ 0	$ 0	0	0	204		204
Balance (in shares) at Dec. 31, 2021																			3,790,755	63,982,580
Balance at Dec. 31, 2021																			$ 0	$ 27	$ 221,321	$ (180,405)	$ 653		$ 41,596