
	Three months ended June 30,				Six months ended June 30,
	2017		2016		2017		2016
	in thousands
Research and development - employees	$	794	$	918	$	1,481	$	1,777
Selling, general and administrative - employees		1,132		531		2,050		1,650
Research and development - non-employees		—		—		—		670
Total	$	1,926	$	1,449	$	3,531	$	4,097

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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No definition available.

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