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Note 12 - Intangible assets (Details) - Intangible assets, net (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Finite-lived intangible assets $ 8,876 $ 8,697
Less: accumulated amortization (2,094) (1,530)
Intangible assets, net 6,782 7,167
Trade Names [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Indefnite-lived intangible assets 315 309
Domain Name [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Indefnite-lived intangible assets 1,561 1,529
Contract Backlog [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Finite-lived intangible assets 200 196
Customer Relationships [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Finite-lived intangible assets 3,505 3,434
Noncompete Agreements [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Finite-lived intangible assets 1,387 1,358
Software Technologies [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Finite-lived intangible assets 331 325
Cloud-computing Based Software Platforms [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Finite-lived intangible assets 1,500 1,470
Other Computer Software [Member]
    
Note 12 - Intangible assets (Details) - Intangible assets, net [Line Items]    
Finite-lived intangible assets $ 77 $ 76