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Significant Accounting Policies and General Matters - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Feb. 28, 2023
Feb. 28, 2022
Feb. 28, 2021
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Trade receivable maturity period 30 days    
Percentage of Inventories valued at LIFO 6.10% 7.90%  
Advertising expense $ 0.6 $ 0.9 $ 0.8
Options outstanding 0 0 0
commercial printing product      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Revenues $ 17.1 $ 14.6 $ 12.5
Minimum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Amortization period for advertising expense 3 months    
Contract with customer, customer payment terms 30 days    
Maximum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Amortization period for advertising expense 12 months    
Contract with customer, customer payment terms 90 days    
Machinery and Equipment [Member] | Minimum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Machinery and Equipment [Member] | Maximum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 11 years    
Buildings and Improvements [Member] | Minimum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 10 years    
Buildings and Improvements [Member] | Maximum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 33 years