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Stock-Based Compensation (Details)	Apr. 30, 2016 USD ($) shares
Share-based Arrangements with Employees and Nonemployees [Abstract]
Common Stock, Capital Shares Reserved for Future Issuance | shares	550,000
Unrecognized Compensation Cost Related to Nonvested Restricted Stock | $	$ 121,000

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Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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