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Subsequent Event - Additional Information (Detail)
DKK in Millions
12 Months Ended
Feb. 28, 2017
USD ($)
Feb. 01, 2017
USD ($)
Feb. 01, 2017
DKK
Jan. 31, 2016
USD ($)
Feb. 01, 2017
DKK
Jan. 31, 2017
USD ($)
Subsequent Event [Line Items]            
Purchase price of acquisition       $ 7,360,000    
Credit facility, maximum borrowing capacity           $ 10,000,000
Term Loan [Member] | Bank of America, N.A. [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Credit facility, maximum borrowing capacity $ 9,200,000          
Payments of principal of term loan $ 8,900,000          
Long-term debt, percentage bearing fixed interest rate, percentage 0.67%          
Long-term debt, percentage bearing fixed interest rate, potential increase percentage one 0.25%          
Long-term debt, percentage bearing fixed interest rate, potential increase percentage two 0.50%          
Revolving Credit Facility [Member] | Bank of America, N.A. [Member]            
Subsequent Event [Line Items]            
Amount withdrawn under credit facility           0
Revolving Credit Facility [Member] | Bank of America, N.A. [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Credit facility, maximum borrowing capacity $ 10,000,000          
Revolving Credit Facility [Member] | Wells Fargo Bank [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Amount withdrawn under credit facility $ 0          
Trojanlabel ApS [Member]            
Subsequent Event [Line Items]            
General and administrative expense           $ 600,000
Trojanlabel ApS [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Purchase price of acquisition   $ 9,100,000 DKK 62.9      
Purchase price of acquisition amount held in escrow   $ 900,000     DKK 6.4  
Minimum percentage required to entitle additional contingent consideration   80.00% 80.00%      
Additional contingent consideration period   7 years 7 years      
Trojanlabel ApS [Member] | Earn-Out Payments, if 80% of Specified Earnings Targets are Achieved [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Business acquisition contingent consideration potential earn-out payments   $ 5,000,000 DKK 32.5      
Trojanlabel ApS [Member] | Earn-Out Payments, if 100% of Specified Earnings Targets are Achieved [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Business acquisition contingent consideration potential earn-out payments   5,800,000 40.6      
Trojanlabel ApS [Member] | Earn-Out Payments, if 120% of Specified Earnings Targets are Achieved [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Business acquisition contingent consideration potential earn-out payments   $ 7,000,000 DKK 48.7