Loans Payable – Banks (Details Narrative)	12 Months Ended
	Dec. 31, 2021 USD ($)
Domestic Subsidiaries [Member]
Debt Instrument [Line Items]
Line of credit, maximum borrowing amount	$ 20
Domestic Subsidiaries [Member] | London Interbank Offered Rate [Member]
Debt Instrument [Line Items]
Basis spread over variable interest rate	2.00%
Variable rate	0.05%
Line of Credit Facility, Expiration Date	Dec. 16, 2022
Foreign Subsidiaries [Member]
Debt Instrument [Line Items]
Line of credit, maximum borrowing amount	$ 28,000,000
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate Membe [Member]
Debt Instrument [Line Items]
Variable rate	0.57%
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate Membe [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread over variable interest rate	0.50%
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate Membe [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread over variable interest rate	0.80%