Consolidated Statement Of Equity - USD ($) shares in Thousands, $ in Thousands	Series D Preferred Stock [Member] Accumulated Deficit [Member]	Series D Preferred Stock [Member] Parent [Member]	Series D Preferred Stock [Member]	Series E Preferred Stock [Member] Accumulated Deficit [Member]	Series E Preferred Stock [Member] Parent [Member]	Series E Preferred Stock [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2015							$ 38	$ 49	$ 138,387	$ (105,858)	$ 32,616	$ 1,879	$ 34,495
Balance, shares at Dec. 31, 2015							3,803	4,942
Stock-based compensation									27		27		27
Long-term incentive plan												42	42
Reclassification of Series A and B Preferred Stock							$ (8)		(7,390)	(5,028)	(12,426)		(12,426)
Reclassification of Series A and B Preferred Stock, shares							(803)
Exchange of Series C Preferred and issuance of Series D							$ 61,419		(12,517)	(20,416)	28,486		28,486
Exchange of Series C Preferred and issuance of Series D Preferred Stock, shares							3,245
Net earnings (loss)										7,298	7,298	389	7,687
Balance at Mar. 31, 2016							$ 61,449	$ 49	118,507	(124,004)	56,001	2,310	58,311
Balance, shares at Mar. 31, 2016							6,245	4,942
Balance at Dec. 31, 2016							$ 61,333	$ 8	118,655	(112,024)	67,972	2,827	70,799
Balance, shares at Dec. 31, 2016							6,245	763
Stock-based compensation									34		34		34
Stock-based compensation, shares								14
Long-term incentive plan												43	43
Conversion of Series D Preferred to common stock and issuance of Series E Preferred							$ (61,333)	$ 60	61,273	(10,903)	(10,903)		(10,903)
Conversion of Series D Preferred to common stock and issuance of Series E Preferred, shares							(6,245)	6,005
Issuance of common stock								$ 47	45,869		45,916		45,916
Issuance of common stock, shares								4,772
Fractional common shares settled in reverse stock split									(1)		(1)		(1)
Issuance of common units												148	148
Preferred dividends declared	$ (650)	$ (650)	$ (650)	$ (50)	$ (50)	$ (50)
Common stock dividends declared ($0.195 per share)										(2,253)	(2,253)		(2,253)
Warrant exchange									289		289		289
Net earnings (loss)										(2,350)	(2,350)	(50)	(2,400)
Balance at Mar. 31, 2017								$ 115	$ 226,119	$ (128,230)	$ 98,004	$ 2,968	$ 100,972
Balance, shares at Mar. 31, 2017								11,554