Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock	Preferred Stock	Additional Paid-in Capital	Non-Controlling Interests	Accumulated Deficit	Total
Balances at Dec. 31, 2017	$ 60		$ 58,813	$ 1,841	$ (44,218)	$ 16,496
Balances (in shares) at Dec. 31, 2017	6,006
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			292			292
Restricted stock vested	$ 1					1
Restricted stock vested (in shares)	38
CCC warrant exercise - share issuance	$ 15		8,311	16,466		24,792
CCC warrant exercise - share issuance (in shares)	1,528
CCC warrant exercise - liability extinguishment			1,792			1,792
Non-controlling interest distributions, net				(24)		(24)
Net income (loss)				1,115	3,569	4,684
Balances at Mar. 31, 2018	$ 76		69,208	19,398	(40,649)	48,033
Balances (in shares) at Mar. 31, 2018	7,572
Balances at Dec. 31, 2017	$ 60		58,813	1,841	(44,218)	16,496
Balances (in shares) at Dec. 31, 2017	6,006
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						484
Balances at Jun. 30, 2018	$ 77	$ 1	75,594	21,277	(42,424)	54,525
Balances (in shares) at Jun. 30, 2018	7,701	50
Balances at Mar. 31, 2018	$ 76		69,208	19,398	(40,649)	48,033
Balances (in shares) at Mar. 31, 2018	7,572
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			192			192
Restricted stock vested
Restricted stock vested (in shares)	21
Preferred share issuance (Note 11)		$ 1	4,999			5,000
Preferred share issuance (Note 11) (in shares)		50
Deemed dividend			71		(71)
Non-controlling interest distributions, net				5,498		5,498
Net income (loss)				(3,619)	(579)	(4,198)
Balances at Jun. 30, 2018	$ 77	$ 1	75,594	21,277	(42,424)	54,525
Balances (in shares) at Jun. 30, 2018	7,701	50
Balances at Dec. 31, 2018	$ 77	$ 1	84,612	28,284	(36,939)	76,035
Balances (in shares) at Dec. 31, 2018	7,656	50
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			222			222
Restricted stock vested	$ 1					1
Restricted stock vested (in shares)	40
Non-controlling interest distributions, net				22		22
Net income (loss)				(2,590)	(4,100)	(6,690)
Balances at Mar. 31, 2019	$ 79	$ 1	84,833	25,716	(41,039)	69,590
Balances (in shares) at Mar. 31, 2019	7,791	50
Balances at Dec. 31, 2018	$ 77	$ 1	84,612	28,284	(36,939)	76,035
Balances (in shares) at Dec. 31, 2018	7,656	50
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						473
Balances at Jun. 30, 2019	$ 79	$ 1	85,057	26,634	(34,810)	76,961
Balances (in shares) at Jun. 30, 2019	7,816	50
Balances at Mar. 31, 2019	$ 79	$ 1	84,833	25,716	(41,039)	69,590
Balances (in shares) at Mar. 31, 2019	7,791	50
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation			224			224
Restricted stock vested
Restricted stock vested (in shares)	25
Deemed dividend
Non-controlling interest distributions, net				(16)		(16)
Net income (loss)				934	6,229	7,163
Balances at Jun. 30, 2019	$ 79	$ 1	$ 85,057	$ 26,634	$ (34,810)	$ 76,961
Balances (in shares) at Jun. 30, 2019	7,816	50