Equity-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Equity-Based Compensation

Summary of details regarding stock options granted under equity incentive plans

	2007 Equity Plan		2000 Equity Plan		2013 Lumara Equity Plan	Total
Outstanding at December 31, 2014	2,051,017		35,266		44,000	2,130,283
Granted	347,600		—		73,250	420,850
Exercised	(295,334	)	(8,637	)	—	(303,971	)
Expired or terminated	(46,576	)	—		—	(46,576	)
Outstanding at March 31, 2015	2,056,707		26,629		117,250	2,200,586

Summary of details regarding restricted stock units granted under equity incentive plans

	2007 Equity Plan		2000 Equity Plan	2013 Lumara Equity Plan	Total
Outstanding at December 31, 2014	360,826		—	20,000	380,826
Granted	215,300		—	60,225	275,525
Exercised	(37,100	)	—	—	(37,100	)
Expired or terminated	(5,750	)	—	—	(5,750	)
Outstanding at March 31, 2015	533,276		—	80,225	613,501

Schedule of equity-based compensation expense

	Three Months Ended March 31,
	2015			2014
Cost of product sales	$	41		$	28
Research and development	478			449
Selling, general and administrative	2,149			1,453
Total equity-based compensation expense	2,668			1,930
Income tax effect	(1,035		)	—
After-tax effect of equity-based compensation expense	$	1,633		$	1,930