Note 2 - Variable Interest Entities (Detail) - The consolidated VIEs’ assets and liabilities (USD $)	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 5,483,000		$ 10,695,000		$ 15,590,000
Term deposit	3,357,000
Accounts receivable, net	8,486,000		4,444,000
Other receivables, net	3,103,000		3,631,000
Prepayment and deposit to suppliers	14,596,000		15,360,000
Due from related parties	210,000		324,000
Contingent consideration receivables			159,000
Other current assets	136,000		129,000
Deferred tax assets-current	50,000
Total current assets	35,421,000		34,742,000
Investment in and advance to equity investment affiliates	959,000		1,396,000
Property and equipment, net	1,636,000		1,902,000
Intangible assets, net	7,167,000		8,151,000
Goodwill	11,083,000		10,999,000
Deferred tax assets-non current	652,000		92,000
Total Assets	56,918,000		57,282,000
Current liabilities:
Accounts payable	110,000	[1]	268,000	[1]
Advances from customers	1,065,000	[1]	724,000	[1]
Accrued payroll and other accruals	904,000	[1]	616,000	[1]
Due to equity investment affiliate		[1]	220,000	[1]
Due to related parties		[1]	161,000	[1]
Payable for acquisition	1,266,000	[1]	550,000	[1]
Taxes payable	6,683,000	[1]	5,040,000	[1]
Other payables	217,000	[1]	114,000	[1]
Total current liabilities	10,245,000		7,698,000
Deferred tax Liabilities-non current	1,689,000	[1]	1,893,000	[1]
Total Liabilities	12,073,000		9,728,000
VIEs [Member]
Current assets:
Cash and cash equivalents	4,275,000		8,322,000
Accounts receivable, net	8,392,000		3,705,000
Other receivables, net	2,921,000		3,619,000
Prepayment and deposit to suppliers	14,587,000		15,360,000
Due from related parties	49,000		192,000
Contingent consideration receivables			159,000
Other current assets	35,000		23,000
Deferred tax assets-current	50,000
Total current assets	33,666,000		31,380,000
Investment in and advance to equity investment affiliates	916,000		1,354,000
Property and equipment, net	1,389,000		1,507,000
Intangible assets, net	7,152,000		8,111,000
Goodwill	11,083,000		10,999,000
Deferred tax assets-non current	511,000		92,000
Total Assets	54,717,000		53,443,000
Current liabilities:
Accounts payable	110,000		268,000
Advances from customers	1,065,000		724,000
Accrued payroll and other accruals	455,000		251,000
Due to equity investment affiliate			220,000
Due to related parties			161,000
Due to Control Group	11,000		11,000
Payable for acquisition	1,266,000		550,000
Taxes payable	6,136,000		4,409,000
Other payables	196,000		107,000
Total current liabilities	9,239,000		6,701,000
Deferred tax Liabilities-non current	1,689,000		1,893,000
Total Liabilities	$ 10,928,000		$ 8,594,000

[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).