Quarterly report pursuant to Section 13 or 15(d)

Assets under Capital Lease (Detail)

Assets under Capital Lease (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Capital Leased Assets [Line Items]    
Less: Accumulated depreciation and amortization $ (282)   
Assets under capital lease, net 1,694   
Capital Leased Assets [Line Items]    
Assets under capital lease, Gross $ 1,976