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Condensed Consolidated Statements of Stockholders' Deficit (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands	Total	Common Stock Issued [Member]	Treasury Stock [Member]	Additional Paid in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2017	$ 678	$ 3	$ (51)	$ 325,516	$ (324,832)	$ 42
Balance (in shares) at Dec. 31, 2017		263,305	(1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation income for issuance of stock options	(40)			(40)
Compensation income for issuance of restricted stock	(81)			(81)
Sale of common stock, net of expenses	4,210	$ 6		4,204
Sale of common stock, net of expenses (in shares)		668,854
Fair value of warrants issued	(18,306)			(18,306)
Net income	527				527
Total comprehensive loss	(78)					(78)
Balance at Jun. 30, 2018	$ (13,090)	$ 9	$ (51)	$ 311,293	$ (324,305)	$ (36)
Balance (in shares) at Jun. 30, 2018		932,159	(1)

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Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation for stock options.

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