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Note 14 - Fair Value Measurements (Tables) | 3 Months Ended
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Nov. 30, 2014
Disclosure Text Block [Abstract] |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block] |
|  |  |  |  | Fair Value Measurements Using Inputs Considered as |
|  | Fair Value as of November 30, 2014 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Available for sale securities |  | $ | 4,024,599 |  |  | $ | 4,024,599 |  |  | $ | — |  |  | $ | — |
Cash equivalents |  |  | 2,598,739 |  |  |  | 2,598,739 |  |  |  | — |  |  |  | — |
Total |  | $ | 6,623,338 |  |  | $ | 6,623,338 |  |  | $ | — |  |  | $ | — |
|  |  |  |  | Fair Value Measurements Using Inputs Considered as |
|  | Fair Value as of August 31, 2014 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Available for sale securities |  | $ | 5,519,766 |  |  | $ | 5,519,766 |  |  | $ | — |  |  | $ | — |
Cash equivalents |  |  | 2,477,017 |  |  |  | 2,477,017 |  |  |  | — |  |  |  | — |
Total |  | $ | 7,996,783 |  |  | $ | 7,996,783 |  |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, applied during the period to each separate class of assets, liabilities, and financial instruments classified in shareholders' equity that are measured on a recurring and/or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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