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Note 8 - Notes Payable To Existing Shareholders (Details) - Notes Payable to Existing Shareholders (USD $)
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Feb. 28, 2013
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May 31, 2012
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| Note 8 - Notes Payable To Existing Shareholders (Details) - Notes Payable to Existing Shareholders [Line Items] | ||||||||
| Notes payable | $ 674,000 | $ 984,000 | ||||||
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Bridge Loan [Member]
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| Note 8 - Notes Payable To Existing Shareholders (Details) - Notes Payable to Existing Shareholders [Line Items] | ||||||||
| Notes payable | 150,000 | [1] | 150,000 | [1] | ||||
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Term Loan [Member]
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| Note 8 - Notes Payable To Existing Shareholders (Details) - Notes Payable to Existing Shareholders [Line Items] | ||||||||
| Notes payable | $ 524,000 | [2] | $ 834,000 | [2] | ||||
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