Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Detail)

v2.4.0.8
Property and Equipment - Additional Information (Detail) (Woburn, MA Manufacturing Facility [Member], USD $)
3 Months Ended
Mar. 31, 2014
Woburn, MA Manufacturing Facility [Member]
 
Property Plant And Equipment [Line Items]  
Impairment of Long-Lived Assets to be Disposed of $ 373,000