Quarterly report pursuant to Section 13 or 15(d)

Lines of Credit and Other Borrowings - Additional Information (Detail)

v2.4.0.8
Lines of Credit and Other Borrowings - Additional Information (Detail) (USD $)
0 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended 0 Months Ended 0 Months Ended
Jun. 03, 2014
Apr. 10, 2014
Mar. 04, 2014
May 05, 2014
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Jun. 30, 2013
Prime Rate
Jun. 30, 2014
Domestic Revolver Credit Facility
Jun. 03, 2014
Domestic Revolver Credit Facility
Prime Rate
Jun. 30, 2014
Ex-Im Revolver
Jun. 03, 2014
Ex-Im Revolver
Prime Rate
Jul. 28, 2014
Subsequent Event
Line Of Credit Facility [Line Items]                              
Credit agreements amendment fee $ 10,000                            
Revolving lines of credit fee paid 15,000 10,000 10,000 10,000     45,000                
Lines of credit maximum borrowing capacity   4,000,000 5,000,000                        
Outstanding borrowings under lines of credit         3,300,000   3,300,000       1,800,000   1,500,000    
Payments under lines of credit             16,904,000 15,195,000             2,900,000
Line of credit facility, expiration date Aug. 01, 2014 May 01, 2014   Jun. 01, 2014                      
Increase decrease in interest rate of lines of credit facility 0.50%                            
Interest on principal balance rate plus                       2.50%   2.00%  
Prime floor, daily prime plus LIBOR                   2.50%          
Unused capacity commitment fee percentage             0.25%                
Interest expense incurred for lines of credit and loan and security agreement         185,000 116,000 414,000 200,000              
Accrued interest payable         15,000   15,000   20,000            
Amortization of discount on lines of credit         80,000 18,000 200,000 36,000              
Amortization of debt issuance costs         71,000 43,000 128,000 81,000              
Restricted cash amounts         0   0   0            
Commitment fees and legal costs incurred         35,000 34,000 45,000 34,000              
Financed insurance premium         74,000   74,000                
Number of monthly insurance premium installments payable             Nine                
Financial insurance premiums interest rate         2.85%   2.85%                
Interest expense incurred for financed insurance premiums         $ 1,000 $ 1,000 $ 2,000 $ 4,000