Equity-Based Compensation - Activity (Details)	9 Months Ended
	Sep. 30, 2015 shares
Employee and Non Employee Stock Option
Options
Outstanding at beginning of period (in shares)	2,130,283
Granted (in shares)	916,475
Exercised (in shares)	(673,407)
Expired and/or forfeited (in shares)	(257,146)
Outstanding at end of period (in shares)	2,116,205
Employee and Non Employee Stock Option | Equity Incentive Plan 2007
Options
Outstanding at beginning of period (in shares)	2,051,017
Granted (in shares)	840,475
Exercised (in shares)	(652,181)
Expired and/or forfeited (in shares)	(257,146)
Outstanding at end of period (in shares)	1,982,165
Employee and Non Employee Stock Option | Stock 2000 Plan
Options
Outstanding at beginning of period (in shares)	35,266
Exercised (in shares)	(21,226)
Outstanding at end of period (in shares)	14,040
Employee and Non Employee Stock Option | Lumara 2013 Plan
Options
Outstanding at beginning of period (in shares)	44,000
Granted (in shares)	76,000
Outstanding at end of period (in shares)	120,000
Employee and Non Employee Restricted Stock Units
Options
Outstanding at beginning of period (in shares)	380,826
Granted (in shares)	314,179
Vested (in shares)	(72,832)
Expired and/or forfeited (in shares)	(98,118)
Outstanding at end of period (in shares)	524,055
Employee and Non Employee Restricted Stock Units | Equity Incentive Plan 2007
Options
Outstanding at beginning of period (in shares)	360,826
Granted (in shares)	253,954
Vested (in shares)	(72,832)
Expired and/or forfeited (in shares)	(95,243)
Outstanding at end of period (in shares)	446,705
Employee and Non Employee Restricted Stock Units | Lumara 2013 Plan
Options
Outstanding at beginning of period (in shares)	20,000
Granted (in shares)	60,225
Expired and/or forfeited (in shares)	(2,875)
Outstanding at end of period (in shares)	77,350