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Finite-life Intangible Assets
9 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Finite-life Intangible Assets

Note 4. Finite-life Intangible Assets

 

The carrying value of patents and trademarks includes the original cost of obtaining the patents, periodic renewal fees and other costs associated with maintaining and defending patent and trademark rights. Patents and trademarks are amortized over their estimated useful lives, generally 15 and 12 years, respectively. Accumulated amortization was approximately $1,216,000 and $1,119,000 at March 31, 2021 and June 30, 2020, respectively. The activity and balances of finite-life intangible assets were as follows:

 

   Nine Months Ended   Fiscal Year Ended 
   March 31, 2021   June 30, 2020 
Balance, beginning  $598,389   $581,413 
Additions   102,826    138,739 
Amortization expense   (98,785)   (121,763)
Balance, ending  $602,430   $598,389