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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 |

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