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Note Payable - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jan. 04, 2013
6% Secured Promissory Note [Member]
May 16, 2011
6% Secured Promissory Note [Member]
Dec. 31, 2013
9.5% Senior Secured Notes [Member]
Dec. 31, 2013
9.5% Senior Secured Notes [Member]
Maximum [Member]
Dec. 31, 2013
9.5% Senior Secured Notes [Member]
Minimum [Member]
Debt Obligations [Line Items]          
Issuance of senior secured notes   $ 3,900 $ 45,000    
Note bears interest rate   6.00% 9.50%    
Senior secured notes maturity date     Jan. 04, 2018    
Available liquidity     10,000    
Leverage ratio       4.5 1.0
Debt issuance costs     1,387    
Amortization of debt issuance costs     265    
Issuance secured promissory rate   6.00%      
Unpaid principal amount $ 3,450