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Benefit Plans and Stock-Based Compensation - Summary of Status of Stock Options (Detail) - $ / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 28, 2015 | Mar. 29, 2014 | Mar. 30, 2013 | Mar. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, Weighted average exercise price | $ 1.15 | $ 1.21 | $ 1.18 | $ 1.26
Range One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Exercise price, Upper limit | 0.84 |  |  |
Range Two [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Exercise price, Lower limit | 0.89 |  |  |
Exercise price, Upper limit | 1.00 |  |  |
Range Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Exercise price, Lower limit | 1.01 |  |  |
Exercise price, Upper limit | 1.05 |  |  |
Range Four [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Exercise price, Lower limit | 1.25 |  |  |
Exercise price, Upper limit | 1.66 |  |  |
Range Five [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Exercise price, Lower limit | 1.67 |  |  |
Exercise price, Upper limit | $ 1.94 |  |  |
Options Outstanding [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, Number outstanding | 441,162 |  |  |
Options outstanding, Weighted average remaining life (years) | 7 years 7 months 6 days |  |  |
Options outstanding, Weighted average exercise price | $ 1.15 |  |  |
Options Outstanding [Member] | Range One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, Number outstanding | 100,000 |  |  |
Options outstanding, Weighted average remaining life (years) | 8 years 22 days |  |  |
Options outstanding, Weighted average exercise price | $ 0.84 |  |  |
Options Outstanding [Member] | Range Two [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, Number outstanding | 65,000 |  |  |
Options outstanding, Weighted average remaining life (years) | 7 years 7 months 6 days |  |  |
Options outstanding, Weighted average exercise price | $ 0.89 |  |  |
Options Outstanding [Member] | Range Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, Number outstanding | 156,162 |  |  |
Options outstanding, Weighted average remaining life (years) | 6 years 8 months 12 days |  |  |
Options outstanding, Weighted average exercise price | $ 1.04 |  |  |
Options Outstanding [Member] | Range Four [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, Number outstanding | 70,000 |  |  |
Options outstanding, Weighted average remaining life (years) | 7 years 2 months 12 days |  |  |
Options outstanding, Weighted average exercise price | $ 1.48 |  |  |
Options Outstanding [Member] | Range Five [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options outstanding, Number outstanding | 50,000 |  |  |
Options outstanding, Weighted average remaining life (years) | 9 years 9 months 18 days |  |  |
Options outstanding, Weighted average exercise price | $ 1.94 |  |  |
Options Exercisable [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options exercisable, Number exercisable | 229,495 |  |  |
Options exercisable, Weighted average exercise price | $ 1.04 |  |  |
Options Exercisable [Member] | Range One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options exercisable, Number exercisable | 0 |  |  |
Options exercisable, Weighted average exercise price | $ 0.00 |  |  |
Options Exercisable [Member] | Range Two [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options exercisable, Number exercisable | 43,333 |  |  |
Options exercisable, Weighted average exercise price | $ 0.89 |  |  |
Options Exercisable [Member] | Range Three [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options exercisable, Number exercisable | 156,162 |  |  |
Options exercisable, Weighted average exercise price | $ 1.04 |  |  |
Options Exercisable [Member] | Range Four [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options exercisable, Number exercisable | 30,000 |  |  |
Options exercisable, Weighted average exercise price | $ 1.25 |  |  |
Options Exercisable [Member] | Range Five [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options exercisable, Number exercisable | 0 |  |  |
Options exercisable, Weighted average exercise price | $ 0.00 |  |  |

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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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