Quarterly Results of Operations (unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations (Unaudited)

Quarterly Results of Operations (Unaudited)

Three Months Ended:	Revenue		Gross Profit		Operating expenses		Net loss			Basic and Diluted loss per share
December 31, 2017	$	44,003	$	31,356	$	40,261	$	(14,521	)	$	(0.17	)
September 30, 2017	45,986		29,107		38,454		(14,273		)	(0.17		)
June 30, 2017	48,556		32,224		40,130		(16,292		)	(0.20		)
March 31, 2017	42,612		28,642		44,304		(21,314		)	(0.26		)
Three Months Ended:
December 31, 2016	$	47,463	$	29,461	$	51,669	$	(24,924	)	$	(0.30	)
September 30, 2016	52,122		36,931		48,165		(15,245		)	(0.18		)
June 30, 2016	50,974		29,459		52,687		(66,837		)	(0.81		)
March 31, 2016	42,366		27,941		66,345		(47,671		)	(0.62		)