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Note 18 - Fair Value Measurements (Tables) | 12 Months Ended
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Aug. 31, 2013
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 August 31, 2013 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Cash equivalents |  | $ | 1,020,000 |  |  | $ | 1,020,000 |  |  | $ | — |  |  | $ | — |
|  |  |  |  | Fair Value Measurements Using Inputs Considered as |
|  | Fair value as of August 31, 2012 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Cash equivalents |  | $ | 1,518,000 |  |  | $ | 1,518,000 |  |  | $ | — |  |  | $ | — |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block] |
|  |  |  |  | Fair Value Measurements Using Inputs Considered as |
|  | Fair value as of August 31, 2013 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Fair market value of NTI Asean |  | $ | 7,922,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,922,000 |

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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=25499696&loc=d3e19207-110258 + Details
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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, used to measure similar assets in prior periods (non-recurring basis) by class of asset or liability. + 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=25499696&loc=d3e19207-110258 + Details
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