Note 12 - Intangible assets, net (Detail) - Intangible assets, net (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Finite-lived intangible assets	$ 8,745	$ 8,697
Less: accumulated amortization	(1,801)	(1,530)
Intangible assets, net	6,944	7,167
Trade Names [Member]
Indefnite-lived intangible assets	311	309
Domain Name [Member]
Indefnite-lived intangible assets	1,538	1,529
Contract Backlog [Member]
Finite-lived intangible assets	197	196
Customer Relationships [Member]
Finite-lived intangible assets	3,453	3,434
Noncompete Agreements [Member]
Finite-lived intangible assets	1,366	1,358
Software Technologies [Member]
Finite-lived intangible assets	326	325
Cloud-computing Based Software Platforms [Member]
Finite-lived intangible assets	1,478	1,470
Other Computer Software [Member]
Finite-lived intangible assets	$ 76	$ 76