In addition to the 2020 Lincoln Park Note, the Company issued two other convertible notes during the six months ending June 30, 2020 for which it elected FVO. The first was issued for a face value of $500,000 on March 4, 2020, and the second was issued for a face value of $560,000 on March 25, 2020. Under the FVO election the financial instrument is initially measured at its issue-date estimated fair value and subsequently remeasured at estimated fair value on a recurring basis at each reporting period date. As provided for by ASC 825-10-50-30(b), the estimated fair value adjustment is presented as a single line item within other income (expense) in the accompanying consolidated statement of operations under the caption “change in fair value of convertible notes and derivative liabilities”.