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v2.4.1.9

Provision for Income Taxes (Details Textual) (USD $) | 12 Months Ended |
--- | --- | ---
Apr. 30, 2014 | Apr. 30, 2013
Deferred Tax Assets, Valuation Allowance | 10,968,000us-gaap_DeferredTaxAssetsValuationAllowance | $ 8,948,000us-gaap_DeferredTaxAssetsValuationAllowance
Domestic Tax Authority [Member] |  |
Operating Loss Carryforwards | 15,426,000us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember | 11,216,000us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember
Foreign Tax Authority [Member] |  |
Operating Loss Carryforwards | 1,034,000us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember | $ 1,744,000us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember
State and Local Jurisdiction [Member] |  |
Operating Loss Carry Forwards Expiration Year | begin expiring in 2029. |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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