The Company’s intangible assets consist of intellectual property and patents, mainly acquired in the acquisition of Belgian Volition (formerly ValiBio SA). The patents and intellectual property are being amortized over the assets’ estimated useful lives, which range from 8 to 20 years.

During the three-month periods ended March 31, 2018 and March 31, 2017, the Company recognized $23,682 and $20,920, respectively, in amortization expense.

The Company amortizes the long-lived assets on a straight-line basis with terms of 8 to 20 years. The annual estimated amortization schedule over the next five years is as follows:

The Company periodically reviews its long-lived assets to ensure that their carrying value does not exceed their fair market value. The Company carried out such a review in accordance with ASC 360 as of December 31, 2017. The result of this review confirmed that the ongoing value of the patents was not impaired as of December 31, 2017.