Revolving Credit Agreement - Additional Information (Details) - Revolving Credit Facility [Member] - USD ($)	May 12, 2020	Sep. 30, 2020
Line Of Credit Facility [Line Items]
Principal amount of loan	$ 3,500,000
Promissory note maturity date	May 12, 2022
Description of variable rate	(LIBOR) 30-day rate plus 2.50%, with a floor of 0.50%.
Notes outstanding borrowings amount		$ 0
Maximum [Member]
Line Of Credit Facility [Line Items]
Interest rate	2.50%
Minimum [Member]
Line Of Credit Facility [Line Items]
Interest rate	0.50%