Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

Subsequent Events - Additional Information (Detail) (Subsequent Event [Member])	1 Months Ended
	Oct. 18, 2013
2012 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Common stock awarded	422,359
Award approved by the board	33,185
Number of fully vested shares granted as award to non-employee director	10,000
Dr. John Bonfiglio [Member]
Subsequent Event [Line Items]
Percentage of share granted under long term incentive program	0.50%
Dr. John Bonfiglio [Member] \| 2012 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Common stock awarded	150,843
Retained by the Company for applicable tax withholding obligations	50,000
Michel Sullivan [Member]
Subsequent Event [Line Items]
Percentage of share granted under long term incentive program	0.18%
Michel Sullivan [Member] \| 2012 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Common stock awarded	54,304
Retained by the Company for applicable tax withholding obligations	19,000
Dr. Martin Handfield [Member]
Subsequent Event [Line Items]
Percentage of share granted under long term incentive program	0.17%
Dr. Martin Handfield [Member] \| 2012 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Common stock awarded	51,287
Retained by the Company for applicable tax withholding obligations	15,287
Non- employee Directors [Member] \| 2012 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Common stock awarded	165,925
Number of non-employee directors	5
Executive Officers [Member] \| 2012 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Common stock awarded	256,434