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Paycheck Protection Program Loan	12 Months Ended
Paycheck Protection Program Loan	Dec. 31, 2020
Paycheck Protection Program Loan
Paycheck Protection Program Loan	Note 8 – Paycheck Protection Program Loan The Company received a loan from Silicon Valley Bank in the aggregate principal amount of $186 thousand pursuant to the Paycheck Protection Program (the “PPP”) under the Coronavirus Aid, Relief, and Economic Security Act (the “CARES Act”), which was enacted March 27, 2020. The loan is evidenced by a promissory note, dated April 21, 2020, issued by us to the lender, which matures on April 20, 2022, and bears interest at a rate of 1.00% per annum, payable monthly following an initial deferral period as specified under the PPP. We may prepay the note at any time prior to maturity with no prepayment penalties. Proceeds from the loan were used to fund designated expenses, including certain payroll costs, group health care benefits and other permitted expenses, in accordance with the PPP. Under the terms of the PPP, up to the entire amount of principal and accrued interest may be forgiven to the extent loan proceeds are used for qualifying expenses as described in the CARES Act and applicable implementing guidance issued by the U.S. Small Business Administration under the PPP. The full amount of the loan principal and interest was forgiven in February 2021.