Note 8 - Goodwill and Patents |
9 Months Ended |
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Jun. 30, 2018 | |
Notes to Financial Statements | |
Goodwill and Intangible Assets Disclosure [Text Block] |
Note 8. Goodwill and PatentsThe Company analyzes its goodwill for impairment annually or at an interim period when events occur or changes in circumstances indicate potential impairment. The result of the analysis performed in the fourth quarter ended September 30, 2017 did not indicate an impairment of goodwill. During the nine months ended June 30, 2018, there were no triggering events that indicate potential impairment exists.The Company capitalizes legal costs incurred to obtain patents. Once accepted by either the U.S. Patent Office or the equivalent office of a foreign country, these legal costs are amortized using the straight-line method over the remaining estimated lives,
not exceeding 20 years. As of June 30, 2018, the Company has 13 patents granted and multiple pending applications both inside and outside the United States. |