XML 73 R56.htm IDEA: XBRL DOCUMENT v3.8.0.1
Long-term debt - Summary of Long Term Debt (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Mar. 25, 2017
Debt Instrument [Line Items]    
Long-term debt and Capital lease obligations $ 6,368 $ 6,450
Long-term debt:    
Long-term debt and Capital lease obligations 6,368 6,450
Current portion of long-term debt 2,611 2,393 [1]
Long-term debt 3,757 4,057
Term Loan from Investissement Quebec Prime Plus Seven Percent [Member]    
Debt Instrument [Line Items]    
Long-term debt 1,204 2,141
Term Loan from Investissement Quebec Prime Plus Ten Percent [Member]    
Debt Instrument [Line Items]    
Long-term debt 586 1,061
Term Loan Facility [Member] | Senior Subordinated Loans [Member] | Libor Plus Nine Point Seven Five Percent [Member]    
Debt Instrument [Line Items]    
Long-term debt   500
Secured Debt [Member] | Furniture And Equipment [Member]    
Debt Instrument [Line Items]    
Obligations under capital leases 578 469
Cash Contribution [Member] | Montrovest BV [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 4,000 1,500
Term Loan Facility Repaid In June Two Thousand Seventeen [Member] | Term Loan from Investissement Quebec Prime Plus Five Point Five Percent [Member]    
Debt Instrument [Line Items]    
Long-term debt   $ 779
[1] Retrospectively revised (see note 18)