Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Data

Schedule of quarterly financial data

		Three months ended
		December 31,		September 30,		June 30,		March 31,
		(in thousands, except per share data)
2015
Operating results:
Total revenues	$	52,912	$	44,921	$	45,087	$	47,435
Cost of product revenues		31,814		30,456		25,732		24,843
Gross profit		21,098		14,465		19,355		22,592
Other costs and expenses		38,446		35,206		34,827		28,869
Interest expense and other income (expense), net		(5,612)		3,111		(4,209)		(3,727)
Net loss		(22,960)		(17,630)		(19,681)		(10,004)
Per share data:
Net income - basic and diluted	$	(0.47)	$	(0.39)	$	(3.58)	$	(1.89)
2014
Operating results:
Total revenues	$	49,884	$	46,274	$	35,836	$	27,295
Cost of product revenues		22,662		20,820		19,014		15,900
Gross profit		27,222		25,454		16,822		11,395
Other costs and expenses		22,849		20,675		18,027		18,677
Interest expense and other income (expense), net		(3,119)		(1,055)		691		(2,334)
Net income (loss)		1,254		3,724		(514)		(9,616)
Per share data:
Net income - basic	$	-	$	0.04	$	(0.11)	$	(2.09)
Net income - diluted		-		0.03		(0.11)		(2.09)