We paid interest aggregating and in and respectively. In the Company amended its existing office lease and recognized a right-of-use lease asset in exchange for a lease liability of On we adopted ASU - which resulted in the recognition of operating lease right-of-use assets and related lease liabilities of approximately on the consolidated balance sheet related to our leases that were previously classified as operating leases. During we issued shares of our common stock valued at to our employees as partial payment in lieu of cash for their bonuses. During and we issued and shares of Common Stock, respectively, as matching contributions to our (k) Plan which were valued at and respectively. In we prepaid of insurance premiums through the issuance of a note payable to IPFS with an interest rate of In we prepaid of insurance premiums through the issuance of a note payable to FIF with an interest rate of During Series OO warrants to purchase the Company's common stock were exercised on a cashless basis in exchange for issuance of shares of Navidea Common Stock. During the Company recorded a deemed dividend of approximately related to the BCF on shares of Series C Preferred Stock, and shares of Series C Preferred Stock were converted into shares of Common Stock. Also during the Company recorded a deemed dividend of approximately related to the BCF on shares of Series D Preferred Stock, and shares of Series D Preferred Stock were converted into shares of Common Stock.