Quarterly report pursuant to sections 13 or 15(d)

Financings - Additional Information (Detail)

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Financings - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
1 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Oct. 24, 2013
Subsidiary One
Jan. 31, 2014
Subsidiary Two
Financing Activities and Borrowing Arrangements [Line Items]        
Accounts receivable financing arrangements, maximum available amount for borrowing     $ 1.5 $ 0.5
Maximum Percentage of borrowing against eligible accounts receivable     85.00% 85.00%
Accounts receivable financing arrangements, interest rate spread on prime rate 1.75%      
Accounts receivable financing arrangements, maximum interest rate 5.00%      
Annual fee on the accounts receivable financing arrangements 1.00%      
Monthly maintenance fee on the accounts receivable financing arrangements 0.50%      
Borrowings under accounts receivable financing arrangements $ 0.7 $ 0.9