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Note 4 - Patents and Trademarks, Net | 6 Months Ended
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Feb. 28, 2014
Disclosure Text Block [Abstract] |
Intangible Assets Disclosure [Text Block] | 4. PATENTS AND TRADEMARKS, NET Patents and trademarks, net consisted of the following:
|  | February 28, 2014 |  |  | August 31, 2013 |
Patents and trademarks |  | $ | 2,185,008 |  |  | $ | 2,064,128 |
Less accumulated amortization |  |  | (1,046,310 | ) |  |  | (1,003,489 | )
|  | $ | 1,138,698 |  |  | $ | 1,060,639 |
Patent and trademark costs are amortized over seven years. Costs incurred related to patents and trademarks are capitalized until filed and approved, at which time the amounts capitalized to date are amortized and any further costs, including maintenance costs, are expensed as incurred. Amortization expense is estimated to approximate $80,000 in each of the next five fiscal years.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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