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Loans Payable – Banks (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Borrowings outstanding lines of credit | $ 4,400,000 | $ 0
Weighted average interest rate on short-term borrowings | 4.50% | 0.00%
Domestic Subsidiaries [Member] |  |
Debt Instrument [Line Items] |  |
Line of credit, maximum borrowing amount | $ 25,000,000 |
Domestic Subsidiaries [Member] | London Interbank Offered Rate [Member] |  |
Debt Instrument [Line Items] |  |
Basis spread over variable interest rate | 2.00% |
Variable rate | 5.30% |
Line of credit facility, maturity date | Dec. 13, 2024 |
Foreign Subsidiaries [Member] |  |
Debt Instrument [Line Items] |  |
Line of credit, maximum borrowing amount | $ 8,000,000 |
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate [Member] |  |
Debt Instrument [Line Items] |  |
Variable rate | 3.96% |
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Basis spread over variable interest rate | 0.60% |
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Basis spread over variable interest rate | 0.90% |

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