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Income Taxes - Additional Information (Detail) - USD ($)
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Income Tax Contingency [Line Items]      
Valuation Allowance $ 1,024,000 $ 1,074,000  
Increase in additional paid in capital 2,732,000 2,675,000  
Increase (decrease) in deferred tax assets valuation allowance (50,000) (769,000)  
Unrecognized tax benefits that would impact effective tax rate if recognized 2,161,000 2,195,000  
Unrecognized tax benefits, period decrease 72,000    
Unrecognized tax benefits, income tax penalties and interest accrued 0 0  
Unrecognized tax benefits, interest and penalty provisions (benefit) $ 0 $ 0 $ (232,000)
Minimum [Member]      
Income Tax Contingency [Line Items]      
Net operating losses carryforward expiration year end 2030    
Maximum [Member]      
Income Tax Contingency [Line Items]      
Net operating losses carryforward expiration year end 2036