Trademark and Patents |
3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2018 | |||||||||||||||||||||||||||||||||||||||||||||||
Goodwill and Intangible Assets Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
Intangible Assets Disclosure [Text Block] | Note 6 - Trademark and Patents Trademark and patents, stated at cost, less accumulated amortization consisted of the following:
Amortization expense amounted to $2,069 and $2,068 for the three months ended September 30, 2018 and 2017, respectively. |