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Debt (Details) - Small Business Administration (SBA), CARES Act, Paycheck Protection Program - USD ($) $ in Thousands			3 Months Ended		12 Months Ended
	May 05, 2020	Apr. 24, 2020	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument, Redemption [Line Items]
Amount received under PPP	$ 535	$ 3,100	$ 3,100
Repayments of unsecured debt				$ 535
Term	2 years
Stated interest rate	1.00%
Interest expense					$ 25
Amount of debt forgiven				429
Outstanding loan and interest paid off				$ 111

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- Definition

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

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