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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. 25, 2017	Mar. 26, 2016	Mar. 28, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding Beginning balance	666,162	441,162	664,585
Granted	218,000	235,000	50,000
Exercised	0	0	(111,372)
Expired			(15,000)
Forfeited	(10,000)	(10,000)	(147,051)
Outstanding Ending balance	874,162	666,162	441,162
Outstanding Beginning balance	$ 1.02	$ 1.15	$ 1.21
Granted	1.43	0.78	1.94
Exercised			1.04
Expired			7.73
Forfeited	0.78	1.10	1.10
Outstanding Ending balance	$ 1.13	$ 1.02	$ 1.15

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Share Based Compensation Arrangement By Share Based Payment Award Options Expired

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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=6415400&loc=d3e5070-113901

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

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

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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=6415400&loc=d3e5070-113901

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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