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Accounting for the Costs of Computer Software Developed for Internal Use (Detail Textuals) - USD ($)	12 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2013
Internal Use Software [Abstract]
Capitalized cost of development of software for internal use	$ 2,422,000	$ 2,481,000
Development costs for the digital production software project	2,414,000	2,416,000
Development costs related to a new fulfillment system	8,000	65,000
Internal costs to develop software	1,692,000	1,595,000
Third party programmers' costs	$ 730,000	886,000
Expected useful life of the asset	5 years
Amortization expense	$ 2,421,000	$ 1,812,000	$ 1,295,000
Accelerated write off of obsolete software	$ 138,000

X

- Definition

Additions made to capitalized computer software costs during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 30



-Section 50



-Paragraph 1



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 985



-SubTopic 20



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 985



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Represents the amount related to accelerated write off of obsolete software.

+ References

No definition available.

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- Definition

Represents the capitalized development cost for new system during the period.

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No definition available.

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Represents the capitalized development cost for project during the period.

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No definition available.

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- Definition

Represents the internal costs to develop software.

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No definition available.

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Represents the third party programmer costs.

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No definition available.

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