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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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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