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Loans Payable - Banks (Details Narrative) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($)
Foreign Subsidiaries [Member] |
Line of Credit Facility [Line Items] |
Line of credit, maximum borrowing amount | $ 30,000
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate [Member] |
Line of Credit Facility [Line Items] |
Variable rate | (0.36%)
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate [Member] | Minimum [Member] |
Line of Credit Facility [Line Items] |
Basis spread over variable interest rate | 0.50%
Foreign Subsidiaries [Member] | Euro Interbank Offered Rate [Member] | Maximum [Member] |
Line of Credit Facility [Line Items] |
Basis spread over variable interest rate | 0.80%
Parent and Domestic Subsidiaries [Member] |
Line of Credit Facility [Line Items] |
Line of credit, maximum borrowing amount | $ 20,000
Maturity | Dec. 18, 2019
Parent and Domestic Subsidiaries [Member] | London Interbank Offered Rate (LIBOR) [Member] |
Line of Credit Facility [Line Items] |
Basis spread over variable interest rate | 2.00%
Variable rate | 2.51%

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