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Benefit Plans and Stock-Based Compensation - Summary of Activity of Stock Option Plans and Arrangements (Detail) - $ / shares	12 Months Ended
	Mar. 31, 2018	Mar. 25, 2017	Mar. 26, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding Beginning balance	874,162	666,162	441,162
Equity cash-out payment	(60,000)
Equity cash-outpayment	$ 1.08
Granted		218,000	235,000
Forfeited	(496)	(10,000)	(10,000)
Outstanding Ending balance	813,666	874,162	666,162
Outstanding Beginning balance	$ 1.13	$ 1.02	$ 1.15
Granted		1.43	0.78
Forfeited	1.05	0.78	1.10
Outstanding Ending balance	$ 1.13	$ 1.13	$ 1.02

X

- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options, Equity Cash-Out Payment

+ References

No definition available.

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- Definition

Share-based Compensation Arrangements by Share-based Payment Award, Options, Equity Cash-Out Payment in Period, Weighted Average Exercise Price

+ References

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to 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)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: 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)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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=96867065&loc=d3e5070-113901

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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