Note 27 - Segment reporting (Detail) - Summary of Segment reporting information (Unaudited) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended	9 Months Ended		1083 Months Ended	3 Months Ended	9 Months Ended		1083 Months Ended	3 Months Ended	9 Months Ended		1083 Months Ended	3 Months Ended	9 Months Ended		1083 Months Ended	3 Months Ended	9 Months Ended		1083 Months Ended	9 Months Ended		1083 Months Ended	3 Months Ended	9 Months Ended		1083 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Sep. 30, 2011 Internet Ad [Member]	Sep. 30, 2012 Internet Ad [Member]	Sep. 30, 2011 Internet Ad [Member]	Sep. 30, 2102 Internet Ad [Member]	Sep. 30, 2011 TV Ad [Member]	Sep. 30, 2012 TV Ad [Member]	Sep. 30, 2011 TV Ad [Member]	Sep. 30, 2102 TV Ad [Member]	Sep. 30, 2011 Bank Kiosk [Member]	Sep. 30, 2012 Bank Kiosk [Member]	Sep. 30, 2011 Bank Kiosk [Member]	Sep. 30, 2102 Bank Kiosk [Member]	Sep. 30, 2011 Brand Management [Member]	Sep. 30, 2012 Brand Management [Member]	Sep. 30, 2011 Brand Management [Member]	Sep. 30, 2102 Brand Management [Member]	Sep. 30, 2011 Others [Member]	Sep. 30, 2012 Others [Member]	Sep. 30, 2011 Others [Member]	Sep. 30, 2102 Others [Member]	Sep. 30, 2012 Inter Segment And Reconciling Item [Member]	Sep. 30, 2011 Inter Segment And Reconciling Item [Member]	Sep. 30, 2102 Inter Segment And Reconciling Item [Member]	Sep. 30, 2011 Report Total [Member]	Sep. 30, 2012 Report Total [Member]	Sep. 30, 2011 Report Total [Member]	Sep. 30, 2102 Report Total [Member]
Revenue	$ 10,287,000	$ 6,418,000	$ 38,349,000	$ 22,534,000		$ 3,860,000	$ 15,393,000	$ 16,434,000	$ 5,690,000	$ 1,972,000	$ 19,751,000	$ 4,756,000	$ 3,238,000	$ 140,000	$ 214,000	$ 415,000	$ 72,000	$ 446,000	$ 3,031,000	$ 943,000	$ 1,327,000					$ (40,000)	$ (14,000)	$ (40,000)	$ 6,418,000	$ 38,349,000	$ 22,534,000	$ 10,287,000
Cost of sales	6,163,000	3,418,000	28,065,000	8,868,000		1,605,000	7,447,000	4,711,000	2,522,000	1,669,000	19,519,000	3,847,000	3,162,000	12,000	19,000	36,000	7,000	132,000	1,080,000	288,000	472,000						(14,000)		3,418,000	28,065,000	8,868,000	6,163,000
Total operating expenses	2,256,000	1,812,000	7,474,000	6,024,000		1,102,000	4,666,000	3,645,000	1,313,000	76,000	675,000	394,000	208,000	24,000	155,000	155,000	52,000	234,000	813,000	523,000	339,000	376,000	1,165,000	1,307,000	344,000				1,812,000	7,474,000	6,024,000	2,256,000
Depreciation and amortization expense included in total operating expenses			1,223,000	727,000		91,000	782,000	183,000	261,000	37,000	51,000	75,000	16,000	24,000	155,000	120,000	52,000	80,000	161,000	275,000	54,000	25,000	74,000	74,000	22,000				257,000	1,223,000	727,000	405,000
Operating income (loss)	1,868,000	1,188,000	2,810,000	7,642,000		1,153,000	3,280,000	8,078,000	1,855,000	227,000	(443,000)	515,000	(132,000)	104,000	40,000	224,000	13,000	80,000	1,138,000	132,000	516,000	(376,000)	(1,165,000)	(1,307,000)	(344,000)	(40,000)		(40,000)	1,188,000	2,810,000	7,642,000	1,868,000
Gain on deconsolidation of subsidiaries				232,000																				232,000							232,000
Share of earnings (losses) in equity investment affiliates	(97,000)	(75,000)	(394,000)	(180,000)						(4,000)		26,000							(274,000)		(70,000)	(71,000)	(120,000)	(206,000)	(27,000)				(75,000)	(394,000)	(180,000)	(97,000)
Expenditure for long-term assets						13,000	179,000	1,477,000	133,000	1,000	6,000	1,000	6,000	74,000		185,000		4,000		7,000		1,000		13,000					93,000	185,000	1,683,000	139,000
Net income (loss)	1,443,000	1,011,000	2,195,000	6,847,000		1,119,000	3,208,000	7,291,000	1,622,000	191,000	(417,000)	502,000	(124,000)	105,000	40,000	224,000	13,000	42,000	579,000	106,000	317,000	(446,000)	(1,175,000)	(1,276,000)	(345,000)	(40,000)		(40,000)	1,011,000	2,195,000	6,847,000	1,443,000
Total assets	$ 58,452,000		$ 58,452,000		$ 57,282,000	$ 49,474,000	$ 41,547,000	$ 49,474,000		$ 3,681,000	$ 15,607,000	$ 3,681,000		$ 866,000	$ 649,000	$ 866,000		$ 4,916,000	$ 8,207,000	$ 4,916,000		$ 20,941,000	$ 15,012,000	$ 20,941,000		$ (22,570,000)	$ (30,210,000)		$ 49,668,000	$ 58,452,000	$ 49,668,000