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Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock - shares | May 31, 2017 | May 31, 2016
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Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items] |  |
Authorized | 2,000,000 | 2,000,000
Common Class A [Member] |  |
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items] |  |
Authorized | 4,000,000 | 4,000,000
Reserved for Issuance | 244,506 |
Outstanding | 1,656,200 | 1,656,200
Common Stock [Member] |  |
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items] |  |
Authorized | 70,000,000 | 70,000,000
Reserved for Issuance | 6,822,489 |
Outstanding | 33,383,303 | 32,657,977
Preferred Stock [Member] |  |
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items] |  |
Authorized | 2,000,000 |
Reserved for Issuance | 0 |
Outstanding | 0 |

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- Definition 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 + Details
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + 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 + Details
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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- Definition Aggregate number of nonredeemable preferred 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 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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