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Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Company's Consolidated Quarterly Results of Operations

			1st Quarter						2nd Quarter						3rd Quarter						4th Quarter
			(in thousands, except per share data)
2019
Revenue			$	9,662					$	10,593					$	18,741					$	25,192
Net loss			(45,017)						(31,767)						(44,631)						(30,396)
Net loss per share, basic and diluted			$	(0.99)					$	(0.65)					$	(0.91)					$	(0.62)
2018
Revenue			$	4,695					$	18,834					$	20,798					$	15,794
Net loss			(49,536)						(43,244)						(34,029)						(44,644)
Net loss per share, basic and diluted			$	(1.34)					$	(1.03)					$	(0.81)					$	(1.06)

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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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306

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