Quarterly results of operations (unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The following tables present certain unaudited consolidated quarterly financial information for each of the eight quarters ended December 31, 2019. This quarterly information has been prepared on the same basis as the consolidated financial statements and includes all adjustments necessary to state fairly the information for the periods presented.

(In thousands, except per share data)	Quarters Ended
2019	March 31,			June 30,			September 30,			December 31,
Total revenue	$	35,309		$	44,759		$	50,781		$	49,652
Gross profit	$	19,685		$	27,016		$	31,888		$	30,510
Net income (loss)	$	(11,735	)	$	(4,857	)	$	298		$	(1,686	)
Net income (loss) attributable to common stockholders	$	(11,735	)	$	(4,857	)	$	298		$	(1,686	)
Net income (loss) per share attributable to common stockholders:
Basic	$	(0.38	)	$	(0.16	)	$	0.01		$	(0.05	)
Diluted	$	(0.38	)	$	(0.16	)	$	0.01		$	(0.05	)
Weighted average shares used to compute net income (loss) per share attributable to common stockholders:
Basic	30,800			31,242			31,459			31,579
Diluted	30,800			31,242			31,944			31,579
	Quarters Ended
2018	March 31,			June 30,			September 30,			December 31,
Total revenue	$	40,242		$	42,686		$	47,822		$	48,880
Gross profit	$	23,901		$	25,651		$	31,138		$	31,197
Net income (loss)	$	(4,770	)	$	(3,554	)	$	(249	)	$	(1,101	)
Net income (loss) attributable to common stockholders	$	(4,770	)	$	(3,554	)	$	(249	)	$	(1,101	)
Net loss per share attributable to common stockholders:
Basic and Diluted	$	(0.24	)	$	(0.26	)	$	(0.01	)	$	(0.04	)
Weighted average shares used to compute net loss per common share:
Basic and diluted	29,476			29,867			29,861			30,592