We paid interest aggregating $9,000 and $6,000 in 2021 and 2020, respectively. In February 2020, the Company amended its existing office lease and recognized a right-of-use lease asset in exchange for a lease liability of $100,432. During 2020, we issued 94,159 shares of our common stock valued at $172,000 to our employees as partial payment in lieu of cash for their 2019 bonuses. During 2021 and 2020, we issued 30,018 and 32,651 shares of Common Stock, respectively, as matching contributions to our 401(k) Plan which were valued at $76,846 and $39,834, respectively. In November 2021, we prepaid $566,000 of insurance premiums through the issuance of a note payable to IPFS with an interest rate of 4.36%. In November 2020, we prepaid $442,000 of insurance premiums through the issuance of a note payable to IPFS with an interest rate of 3.5%. During 2020, 411,000 Series OO warrants to purchase the Company’s common stock were exercised on a cashless basis in exchange for issuance of 300,595 shares of Navidea Common Stock. During 2020, the Company recorded a deemed dividend of approximately $467,000 related to the BCF on 420,000 shares of Series C Preferred Stock, and 420,000 shares of Series C Preferred Stock were converted into 1,425,076 shares of Common Stock. Also during 2020, the Company recorded a deemed dividend of approximately $197,000 related to the BCF on 17,750 shares of Series D Preferred Stock, and 17,750 shares of Series D Preferred Stock were converted into 827,280 shares of Common Stock.