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2. Debt and Notes Payable (Details)
€ in Thousands, MYR in Thousands, $ in Thousands
9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2016
EUR (€)
Sep. 30, 2016
MYR
Dec. 31, 2015
USD ($)
Debt Instrument [Line Items]        
Notes payable to bank $ 4,579     $ 4,964
Less current maturities 1,288     1,485
Total long-term debt - financial institutions 3,084     3,479
Note payable 1 [Member] | Netherlands bank [Member]        
Debt Instrument [Line Items]        
Notes payable to bank $ 227     235
Stated interest rate 3.85% 3.85% 3.85%  
Maturity date Jul. 01, 2029      
Note payable 1 [Member] | Netherlands bank [Member] | Euro Member Countries, Euro        
Debt Instrument [Line Items]        
Notes payable to bank | €   € 202    
Note payable 2 [Member] | Netherlands bank [Member]        
Debt Instrument [Line Items]        
Notes payable to bank $ 257     264
Stated interest rate 3.30% 3.30% 3.30%  
Maturity date Jan. 31, 2030      
Note payable 2 [Member] | Netherlands bank [Member] | Euro Member Countries, Euro        
Debt Instrument [Line Items]        
Notes payable to bank | €   € 229    
Note payable 3 [Member] | Netherlands bank [Member]        
Debt Instrument [Line Items]        
Notes payable to bank $ 1,039     1,087
Stated interest rate 3.00% 3.00% 3.00%  
Maturity date Dec. 31, 2025      
Note payable 3 [Member] | Netherlands bank [Member] | Euro Member Countries, Euro        
Debt Instrument [Line Items]        
Notes payable to bank | €   € 925    
Note payable 4 [Member] | Netherlands bank [Member]        
Debt Instrument [Line Items]        
Notes payable to bank $ 2,244     2,554
Interest rate, variable rate basis EURIBOR interest rate plus bnak margin of 2.3% per annum      
Maturity date Dec. 31, 2020      
Note payable 4 [Member] | Netherlands bank [Member] | Euro Member Countries, Euro        
Debt Instrument [Line Items]        
Notes payable to bank | €   € 1,997    
Note payable 5 [Member] | Malaysian bank [Member]        
Debt Instrument [Line Items]        
Notes payable to bank $ 605     756
Interest rate, variable rate basis 2% above bank base lending rate      
Maturity date Oct. 25, 2018      
Note payable 5 [Member] | Malaysian bank [Member] | RM [Member]        
Debt Instrument [Line Items]        
Notes payable to bank | MYR     MYR 2,500  
Notes payable 6 [Member] | Malaysian bank [Member]        
Debt Instrument [Line Items]        
Notes payable to bank $ 0     $ 68
Interest rate, variable rate basis 2% above the bank base lending rate