Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2016

Related Party Transactions

Schedule of Related Party Amounts Included in the Statements of Operations

	Year Ended
	December 31,
	2016		2015		2014
Services provided by NST Consulting, LLC	$	323	$	455	$	467
Services provided to NST Consulting, LLC		(56)		(294)		(158)
General and administrative expense, net	$	267	$	161	$	309
Services provided by NST Consulting, LLC	$	246	$	52	$	—
Services provided to NST Consulting, LLC		(97)		(259)		(255)
Research and development expense, net	$	149	$	(207)	$	(255)
Services provided by NST Consulting, LLC	$	569	$	507	$	467
Services provided to NST Consulting, LLC		(153)		(553)		(413)
Total, net	$	416	$	(46)	$	54
Net payments made to (received from) NST	$	325	$	(46)	$	54