SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

The following tables present selected quarterly financial data for the years ended December 31, 2018 and 2017 (in thousands, except per share amounts):



	Three Months Ended
	March 31, 2018			June 30, 2018		September 30, 2018			December 31, 2018
Total revenues	$	74,607		$	84,107	$	83,448		$	95,115
Cost of goods sold	22,885			20,916		19,065			23,979
Total operating expenses	81,544			77,566		79,400			82,852
Net income (loss)	(10,680		)	2,564		(640		)	8,285
Basic and diluted net income (loss) per common share	$	(0.26	)	$	0.06	$	(0.02	)	$	0.20



	Three Months Ended
	March 31, 2017			June 30, 2017			September 30, 2017			December 31, 2017
Total revenues	$	69,283		$	70,934		$	67,335		$	79,078
Cost of goods sold	24,581			23,811			18,228			21,295
Total operating expenses	83,333			86,714			70,907			70,613
Net income (loss)	(19,866		)	(19,743		)	(7,597		)	4,595
Basic and diluted net income (loss) per common share	$	(0.52	)	$	(0.49	)	$	(0.19	)	$	0.11

For periods where the Company reported a net loss, no potentially dilutive securities were included in the computation of diluted net loss per share.