XML 36 R56.htm IDEA: XBRL DOCUMENT v2.4.0.8
Net Loss Per Share - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Employee Stock Option [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Number of stock options excluded from the calculation of diluted net loss per common share 1,274,888 1,074,348 1,274,888 1,074,348
RSU's [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Number of stock options excluded from the calculation of diluted net loss per common share 42,000 0 42,000 0