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Note 9 - Other Assets (Details) - Summary of Other Assets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Gross carrying value:    
Gross carrying value $ 0 $ 800
Total gross carrying value 0 800
Accumulated amortization:    
Accumulated amortization 0 (770)
Total accumulated amortization 0 (770)
Intangible assets, net 0 30
Deferred tax assets, net 2,401 3,277
Other 2,167 1,613
4,568 4,920
Industrial Group [Member]
    
Gross carrying value:    
Gross carrying value 0 800
Total gross carrying value 0 800
Accumulated amortization:    
Accumulated amortization 0 (770)
Total accumulated amortization 0 (770)
Electronics Group [Member]
    
Gross carrying value:    
Gross carrying value 0 0
Total gross carrying value 0 0
Accumulated amortization:    
Accumulated amortization 0 0
Total accumulated amortization $ 0 $ 0