Note 4 – Intangible Assets

Intangible assets at September 30, 2021 and December 31, 2020 consisted of the following: 

 Summary of Intangible Assets

Amortization expense was $195,700 and $198,832 for the three months ended September 30, 2021 and 2020, and $593,365 and $596,496 for the nine months ended September 30, 2021 and 2020 and is included within research and development expense in the accompanying condensed consolidated statements of operations. As of September 30, 2021, our estimated amortization expense for the 2021 will be approximately $790,000 and approximately $788,000 per year for annual periods thereafter.

The capitalized costs for the license rights to PCS499 included the $8 million purchase price, $1,782 in transaction costs and $3,037,147 associated with the initial recognition of an offsetting deferred tax liability related to the acquired temporary difference for an asset purchased that is not a business combination and has a tax basis of $1,782 in accordance with ASC 740-10-25-51 Income Taxes. In accordance with ASC Topic 730, Research and Development, we capitalized the costs of acquiring the exclusive license rights to PCS499, as the exclusive license rights represent intangible assets to be used in research and development activities that management believes has future alternative uses.