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Capital Stock - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Aug. 31, 2013
USD ($)
$ / shares
shares
Mar. 28, 2015
Class
$ / shares
Mar. 29, 2014
$ / shares
Class of Stock [Line Items]      
Preferred shares par value      
Number of classes of common stock outstanding | Class   2  
Debentures converted to voting shares, value | $ $ 5,000,000    
Annual interest rate of debentures sold under private placement 6.00%    
Debenture conversion price $ 1.30    
Montrovest BV [Member]      
Class of Stock [Line Items]      
Debentures converted to voting shares | shares 2,828,634    
Class A Common Stock [Member]      
Class of Stock [Line Items]      
Common stock voting rights per share   $ 1  
Debentures converted to voting shares, value | $ $ 5,000,000    
Annual interest rate of debentures sold under private placement 6.00%    
Debenture conversion price $ 1.70    
Debentures converted to voting shares | shares 2,941,085    
Class A Common Stock [Member] | Montrovest BV [Member]      
Class of Stock [Line Items]      
Debentures converted to voting shares, value | $ $ 4,800,000    
Net proceeds after expense on debenture conversion | $ $ 4,861,000    
Debentures converted to voting shares | shares 2,828,634    
Class B Common Stock [Member]      
Class of Stock [Line Items]      
Common stock voting rights per share   $ 10