Restructuring Charges	12 Months Ended
Restructuring Charges	Apr. 30, 2014
Restructuring Charges
Restructuring Charges	10. Restructuring Charges On May 29, 2013 and September 26, 2013, the Company implemented two separate and unrelated organizational realignments and workforce reductions in its UAS and Efficient Energy Systems ("EES") business segments. The purpose of the organizational realignment and workforce reduction on May 29, 2013, within the Company's UAS and EES business segments, was to enhance the Company's focus on new product introductions and the adoption of new solutions designed to support the Company's long-term growth plans. The workforce reduction was necessitated by continuing delays in U.S. government procurements from the Company's UAS business segment and delays in the growth of plug-in electric vehicle adoption and associated recharging solution sales in the Company's EES business segment. The cost of the organizational realignment and workforce reduction was approximately $1,100,000, consisting primarily of severance payments. The Company recorded this charge in its fiscal first quarter ended July 27, 2013. Of the $1,100,000 recorded during the first quarter, approximately $1,000,000 was recorded in cost of sales and approximately $100,000 was recorded in SG&A costs. Of the approximately $1,000,000 recorded in cost of sales, approximately $700,000 related to UAS and approximately $300,000 related to EES. The Company does not report SG&A costs by segment as the CODM only reviews the revenue and gross margin results for each of these segments when making resource allocation decisions. The purpose of the organizational realignment and workforce reduction on September 26, 2013, within the Company's UAS business segment, was to address shifts in the UAS segment's business mix and align the skills within the UAS business segment more closely with market requirements to support ongoing programs and emerging growth opportunities. The cost of the organizational realignment and workforce reduction was approximately $700,000, consisting primarily of severance payments recorded in cost of sales. The Company recorded this charge in its fiscal second quarter ended October 26, 2013.

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

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