Intangibles (Details) - USD ($) $ in Thousands	Jul. 29, 2017	Apr. 30, 2017
Intangibles
Less accumulated amortization	$ (737)	$ (658)
Intangibles, net	1,744	1,823
Licenses
Intangibles
Intangibles, gross	818	818
Customer relationships
Intangibles
Intangibles, gross	1,600	1,600
Trademarks and tradenames
Intangibles
Intangibles, gross	60	60
Other
Intangibles
Intangibles, gross	$ 3	$ 3

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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