Revolving Line of Credit (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Jul. 30, 2021	Aug. 31, 2018
Line Of Credit Facilities [Abstract]
Maximum revolving credit line of credit provided in business loan agreement		$ 6,000,000	$ 6,000,000
Description of interest on the revolving line of credit	The Business Loan Agreement bears interest at a variable annual rate of LIBOR plus 1.35%, computed on a 365/360 basis.