Quarterly report pursuant to Section 13 or 15(d)

Property, Plant, and Equipment - Additional Information (Detail)

v2.4.1.9
Property, Plant, and Equipment - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Property Plant And Equipment [Abstract]    
Fixed assets acquired under capital lease $ 383,000us-gaap_CapitalLeaseObligationsIncurred  
Depreciation and amortization $ 140,000us-gaap_DepreciationAndAmortization $ 157,000us-gaap_DepreciationAndAmortization