CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accum. Other Comprehensive Income (Loss)	Non-Controlling Interests	Total
Balance at Beginning at Dec. 31, 2018	$ 1	$ 46	$ 932,179	$ (630,000)	$ (2,459)	$ 19,598	$ 319,365
Balance at Beginning (in shares) at Dec. 31, 2018	927	45,771
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax			797				797
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax (in shares)		(24)
Issuances of common stock		$ 3	3,667				3,670
Issuances of common stock (in shares)		3,137
Preferred stock dividends				(312)			(312)
Net loss				(12,890)		(1,271)	(14,161)
Balance at End at Mar. 31, 2019	$ 1	$ 49	936,643	(643,202)	(2,459)	18,327	309,359
Balance at End (in shares) at Mar. 31, 2019	927	48,884
Balance at Beginning at Dec. 31, 2019	$ 1	$ 56	942,307	(720,214)	(2,370)	7,265	227,045	[1]
Balance at Beginning (in shares) at Dec. 31, 2019	927	55,508
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax		$ (4)	868				864
Stock-based compensation expense - restricted stock issued to employees and directors, net of cancellations and tax (in shares)		(38)
Issuances of common stock		$ 4	278				282
Issuances of common stock (in shares)		421
Preferred stock dividends				(315)			(315)
Net loss				(25,100)		(2,056)	(27,156)
Balance at End at Mar. 31, 2020	$ 1	$ 56	$ 943,453	$ (745,629)	$ (2,370)	$ 5,209	$ 200,720
Balance at End (in shares) at Mar. 31, 2020	927	55,891

[1] Amounts derived from the audited financial statements for the year ended December 31, 2019.