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Note 3 - NTI ASEAN (Details Textual) - NTI Asean LLC [Member] | 1 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2012 | Aug. 31, 2015 | Aug. 31, 2012
Equity Method Investment, Ownership Percentage |  | 60.00% | 50.00%
Business Acquisition, Percentage of Voting Interests Acquired | 10.00% |  |
Business Acquisition Ownership Percentage Subsequent to Acquisition | 60.00% |  |
Fair Value Inputs, Discount Rate | 25.00% |  |

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- Definition The percentage of ownership of common stock or equity participation in the investee subsequent to the business acquisition. + References No definition available. + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + 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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