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Total Outstanding Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 27, 2013
Mar. 31, 2013
Debt Instrument [Line Items]    
Bank term loan $ 500 $ 667
Bank line of credit 1,251  
MEDC/MSF loans 654 930
Partners for Growth (PFG) loan, net of debt discount 1,775 2,036
Capital leases 47  
Total $ 4,227 $ 3,633