Paycheck Protection Program Promissory Note - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Interest expense		$ 31,000	$ 15,000	$ 83,000	$ 40,000
Promissory Note | Corona Virus Aid Relief Economic Security Act
Paycheck protection program, amount	$ 2,000,000.0
Interest rate	1.00%
Payments due, beginning date	Nov. 01, 2020
Payments due, ending date	May 03, 2022
Interest expense		$ 5,000	$ 3,000	$ 10,000	$ 3,000
Debt instrument, description				payments would have been due beginning August 2021 and the principal amount along with unpaid interest would be due in May 2022. The principal and interest may be forgiven if the proceeds are used for forgivable purposes as defined by the terms in the PPP Promissory Note.