QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2015

QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)

Schedule of quarterly statement of operations

	Quarter Ended
	March 31,		June 30,		September 30,		December 31,
	(Amounts in thousands, except per share data)
2015
Laboratory service revenue	$	4,266	$	8,119	$	12,632	$	14,420
Cost of revenue		4,212		5,094		7,528		7,667
Gross profit		54		3,025		5,104		6,753
Research and development		6,571		8,115		9,863		9,365
General and administrative		12,971		13,683		15,432		15,864
Sales and marketing		16,524		20,593		23,079		21,944
Loss from operations		(36,012)		(39,366)		(43,270)		(40,420)
Investment income		222		193		365		491
Interest income (expense)		(11)		107		(40)		(62)
Net loss	$	(35,801)	$	(39,066)	$	(42,945)	$	(39,991)
Net loss per share—basic and diluted	$	(0.40)	$	(0.44)	$	(0.45)	$	(0.41)
Weighted average common shares outstanding—basic and diluted		88,662		88,919		94,444		96,404
2014
Laboratory service revenue	$	—	$	—	$	—	$	1,504
License fee revenue	$	294	$	—	$	—	$	—
Cost of revenue		—		—		924		3,401
Gross profit		294		—		(924)		(1,897)
Research and development		7,430		7,174		9,073		4,992
General and administrative		4,586		6,230		8,994		10,625
Sales and marketing		4,456		6,166		13,217		15,069
Loss from operations		(16,178)		(19,570)		(32,208)		(32,583)
Investment income		86		146		160		150
Interest expense		(15)		(13)		(12)		(11)
Net loss	$	(16,107)	$	(19,437)	$	(32,060)	$	(32,444)
Net loss per share—basic and diluted	$	(0.23)	$	(0.24)	$	(0.39)	$	(0.38)
Weighted average common shares outstanding—basic and diluted		70,987		82,048		82,941		84,734