The Company issued the 2020 Lincoln Park Note with a principal amount of $1.3 million at a purchase price of $1.2 million on January 3, 2020. This note is accounted for under the ASC 825-10-15-4 FVO election. 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”.