CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Common Shares	Additional Paid-In Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2014	$ 92	$ 275,648	$ (149,047)	$ 126,693
Balance (in shares) at Dec. 31, 2014	92,200,657
Stock Options:
Stock-based compensation		115		115
Issuance of Units of Common Stock:
Issued pursuant to stock awards	$ 1	(90)		(89)
Issued pursuant to stock awards (in shares)	1,139,403
Debt issuance costs		(80)		(80)
Conversion of Senior Convertible Promissory Notes	$ 3	1,983		1,986
Conversion of Senior Convertible Promissory Notes (in shares)	2,625,000
Private Placement	$ 13	3,987		4,000
Private Placement (in shares)	13,333,333
Net loss			(15,223)	(15,223)
Balance at Dec. 31, 2015	$ 109	281,563	(164,270)	117,402
Balance (in shares) at Dec. 31, 2015	109,298,393
Stock Options:
Stock-based compensation		400		400
Issuance of Units of Common Stock:
Issued pursuant to stock awards	$ 2	(63)		(61)
Issued pursuant to stock awards (in shares)	1,312,894
Net loss			(8,067)	(8,067)
Balance at Dec. 31, 2016	$ 111	281,900	(172,337)	$ 109,674
Balance (in shares) at Dec. 31, 2016	110,611,287			110,611,287
Stock Options:
Stock-based compensation		216		$ 216
Issuance of Units of Common Stock:
Issued pursuant to stock awards	$ 1	(61)		(60)
Issued pursuant to stock awards (in shares)	556,590
Private Placement	$ 14	5,986		6,000
Private Placement (in shares)	14,634,146
Net loss			(8,045)	(8,045)
Balance at Dec. 31, 2017	$ 126	$ 288,041	$ (180,382)	$ 107,785
Balance (in shares) at Dec. 31, 2017	125,802,023			125,802,023