Line of Credit (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Aug. 31, 2021	Dec. 31, 2020
Line of Credit (Details) [Line Items]
Line of credit	$ 10,000,000
Interest rate	1.25%
Line of credit bears interest rate, percentage	4.75%
Outstanding borrowings			$ 1,200,000
Outstanding balance		$ 150,000
Total outstanding	$ 9,000,000
Commitment fee	0.25%
Loans amounts, description	Under the Loan Agreement, we are subject to a variety of customary affirmative and negative covenants, including that we (i) achieve a net profit of not less than $1.0 million at the end of each fiscal year, (ii) maintain a ratio of total debt to EBITDA of not greater than 3.0:1.0 measured at the end of each quarter, and (iii) not realize a net loss for more than two consecutive quarters.
Eligible to borrow	$ 9,000,000
MUFG Union Bank Line of Credit [Member]
Line of Credit (Details) [Line Items]
Line of credit	$ 9,000,000
Maturity date	Jul. 31, 2024
LIBOR [Member]
Line of Credit (Details) [Line Items]
Offered rate	4.75%	2.50%