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Income Taxes - Additional Information (Detail) (USD $)
10 Months Ended 12 Months Ended
Oct. 28, 2009
Dec. 31, 2012
Dec. 31, 2008
Dec. 31, 2011
Components Of Income Tax Expense Benefit [Line Items]        
Proposed disallowance $ 256,000   $ 135,000  
Total liability associated with unrecognized tax benefit   300,000    
Net operating losses for federal income tax       2,000,000
State net operating losses for state income tax   28,100,000    
Operating loss carry-forwards expiration date   2030    
Deferred tax asset related to net operating loss carry-forwards   $ 1,587,000   $ 2,401,000