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Note 6 - Other Receivables, Net (Details) - Other Receivables, Net (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Note 6 - Other Receivables, Net (Details) - Other Receivables, Net [Line Items]    
Allowance for doubtful debts $ (960) $ (968)
Other receivables, net 3,870 4,299
Short-term loans to unrelated entities 540 790
Term deposit interest receivable 85 57
Short-term Loan Made for Marketing Campaign [Member]
    
Note 6 - Other Receivables, Net (Details) - Other Receivables, Net [Line Items]    
Other receivables, gross 1,460 1,636
Disposal of Subsidiaries [Member]
    
Note 6 - Other Receivables, Net (Details) - Other Receivables, Net [Line Items]    
Other receivables, gross 1,598 1,611
Disposal of Fixed Assets [Member]
    
Note 6 - Other Receivables, Net (Details) - Other Receivables, Net [Line Items]    
Other receivables, gross 97 98
Staff Advances [Member]
    
Note 6 - Other Receivables, Net (Details) - Other Receivables, Net [Line Items]    
Other receivables, gross 90 107
Overdue Contract Execution Deposits [Member]
    
Note 6 - Other Receivables, Net (Details) - Other Receivables, Net [Line Items]    
Other receivables, gross $ 960 $ 968