Note 11.  Note Payable

Paycheck Protection Program

On May 4, 2020, the Company received proceeds of $1.4 million in connection with a promissory note (the “Note”) entered into with Citibank, N.A. (the “Lender”) evidencing an unsecured loan (the “Loan”) under the Paycheck Protection Program ("PPP"). The PPP is a program of the SBA established under the CARES Act. Under the PPP, the proceeds of the Loan may be used for payroll and certain covered interest payments, lease payments and utility payments (“Qualifying Expenses”). The Company used the entire Loan amount for Qualifying Expenses under the PPP. 

On May 18, 2021, the Company received notification from the Lender of SBA's approval of the Company's application for loan forgiveness. Accordingly, the Company was not required to repay the loan. The Company has recorded the loan forgiveness as a gain in the accompanying Consolidated Statements of Operations for the year ended December 31, 2021 under the caption Gain on extinguishment of debt.