Nature of Business and Summary of Significant Accounting Policies Capitalized software costs (Details) - USD ($) $ in Thousands	May 02, 2020	Apr. 27, 2019
Capitalized software development costs for software sold to customers [Abstract]
Capitalized Software Development Costs for Software Sold to Customers	$ 1,357	$ 2,523

Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use.

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Period Type:	instant