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Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Selected quarterly financial data

Set forth below is selected quarterly financial data for each of the quarters in the years ended December 31, 2017 and 2016.

		2017 Quarters Ended
(in thousands, except per share amounts)		March 31				June 30				September 30				December 31
Revenue		$	743			$	584			$	684			$	704
Costs and expenses			4,736				5,050				5,139				5,254
Operating loss			(4,212	)			(4,601	)			(4,627	)			(4,725	)
Net loss			(11,332	)			(1,943	)			(12,596	)			(19,246	)
Basic loss per share			(87.50	)			(3.50	)			(9.36	)			(0.75	)

		2016 Quarters Ended
(in thousands, except per share amounts)		March 31				June 30				September 30				December 31
Revenue		$	370			$	511			$	435			$	676
Costs and expenses			3,721				4,232				5,047				4,882
Operating loss			(3,462	)			(3,871	)			(4,724	)			(4,383	)
Net loss			(1,813	)			(6,667	)			(1,004	)			(8,486	)
Basic loss per share			(437.50	)			(1,543.50	)			(230.99	)			(1,292.02	)

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- References

No definition available.

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- Definition

Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)-(j)
-URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306

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