Earnings Per Share (Reconciliation Of Basic And Diluted Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Numerator: Basic
Net earnings (loss) attributable to common shareholders: Continuing operations									$ (9,362)	$ 1,390	$ 6,055
Net earnings (loss) attributable to common shareholders: Discontinued operations										657	3,438
Net earnings (loss) attributable to common shareholders	$ 1,174	$ (1,237)	$ 4,654	$ (13,953)	$ 3,565	$ 1,816	$ 7,108	$ (10,442)	(9,362)	2,047	9,493
Less: Allocation to participating securities									(56)
Net earnings (loss) attributable to common shareholders, net of amount allocated to participating securities									(9,418)	2,047	9,493
Numerator: Diluted
Net earnings (loss) attributable to common shareholders from continuing operations, net of amount allocated to participating securities									(9,418)	1,390	6,055
Continuing operations - Diluted									(9,418)	4,480	(3,526)
Discontinued operations - Diluted										657	3,438
Total Diluted									$ (9,418)	$ 5,137	$ (88)
Denominator
Weighted average number of common shares - Basic									9,437,824	761,112	751,634
Unvested restricted stock											619
Warrants - Employees											106
Warrants - RES											(61,504)
Weighted average number of common shares - Diluted									9,437,824	5,535,545	3,575,470
Earnings per Share:
Continuing operations - Basic					$ 4.68	$ 2.41	$ 9.36	$ (14.63)	$ (1.00)	$ 1.82	$ 8.06
Discontinued operations - Basic								0.91		0.85	4.55
Total - Basic Earnings (Loss) per Share	$ 0.10	$ (0.11)	$ 0.40	$ (4.75)	4.68	2.41	9.36	(13.72)	(1.00)	2.67	12.61
Continuing operations - Diluted					0.65	0.39	1.17	(14.63)	(1.00)	0.78	(0.98)
Discontinued operations - Diluted								0.91		0.13	$ 0.98
Total - Diluted Earnings (Loss) per Share	$ 0.10	$ (0.11)	$ 0.37	$ (4.75)	$ 0.65	$ 0.39	$ 1.17	$ (13.72)	$ (1.00)	$ 0.91
Warrant Derivative [Member]
Numerator: Diluted
Unrealized gain on derivative											$ (4,122)
Embedded Derivative [Member]
Numerator: Diluted
Unrealized gain on derivative											(7,533)
Series C Preferred Stock [Member]
Numerator: Diluted
Dividends on Series D Preferred Stock											$ 2,074
Denominator
Preferred Stock											2,884,615
Series D Preferred Stock [Member]
Numerator: Diluted
Dividends on Series D Preferred Stock										$ 3,090
Denominator
Preferred Stock										4,774,433