Note 2 - Variable Interest Entities (Detail) - The consolidated VIEs’ assets and liabilities (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012		Mar. 31, 2012	Dec. 31, 2011
Cash and cash equivalents	$ 3,792		$ 5,483		$ 8,964	$ 10,695
Term deposit	3,375		3,357
Accounts receivable, net	9,831		8,486
Other receivables, net	3,128		3,103
Prepayment and deposit to suppliers	14,822		14,596
Due from related parties	260		210
Other current assets	135		136
Deferred tax assets-current	42		50
Total current assets	35,385		35,421
Investment in and advance to equity investment affiliates	892		959
Property and equipment, net	1,501		1,636
Intangible assets, net	6,944		7,167
Goodwill	11,144		11,083
Deferred tax assets-non current	794		652
Total Assets	56,660		56,918
Accounts payable	219	[1]	110	[1]
Advances from customers	1,636	[1]	1,065	[1]
Accrued payroll and other accruals	877	[1]	904	[1]
Payable for acquisition		[1]	1,266	[1]
Taxes payable	6,846	[1]	6,683	[1]
Other payables	240	[1]	217	[1]
Total current liabilities	9,818		10,245
Deferred tax Liabilities-non current	1,643	[1]	1,689	[1]
Total Liabilities	11,600		12,073
VIEs [Member]
Cash and cash equivalents	2,642		4,275
Term deposit	3,375		3,357
Accounts receivable, net	9,778		8,392
Other receivables, net	2,988		2,921
Prepayment and deposit to suppliers	14,820		14,587
Due from related parties	57		49
Other current assets	37		35
Deferred tax assets-current	42		50
Total current assets	33,739		33,666
Investment in and advance to equity investment affiliates	849		916
Property and equipment, net	1,284		1,389
Intangible assets, net	6,934		7,152
Goodwill	11,144		11,083
Deferred tax assets-non current	613		511
Total Assets	54,563		54,717
Accounts payable	219		110
Advances from customers	1,635		1,065
Accrued payroll and other accruals	375		455
Due to Control Group	11		11
Payable for acquisition			1,266
Taxes payable	6,316		6,136
Other payables	199		196
Total current liabilities	8,755		9,239
Deferred tax Liabilities-non current	1,643		1,689
Total Liabilities	$ 10,398		$ 10,928

[1] All of the VIEs' assets can be used to settle obligations of their primary beneficiary. Liabilities recognized as a result of consolidating these VIEs do not represent additional claims on the Company's general assets (Note 2).