Note 23 - Segment Reporting - Summary of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2017		Sep. 30, 2016		Sep. 30, 2017		Sep. 30, 2016		Dec. 31, 2016
Revenues	$ 13,523		$ 11,902		$ 31,287		$ 25,398
Cost of revenues	12,163		9,874		26,955		19,269
Total operating expenses	3,370		3,392		7,813		9,889
Depreciation and amortization expense included in total operating expenses	360		410		1,067		1,170
Operating income/(loss)	(2,010)		(1,364)		(3,481)		(3,760)
Expenditure for long-term assets					2		2,139
Net income/(loss) from continuing operations	(2,048)		(1,451)		(3,874)		(3,959)
Total assets	29,140				29,140				$ 30,042
Net loss from continuing operations	(2,048)		(1,451)		(3,874)		(3,959)
Intersegment Eliminations [Member]
Revenues
Cost of revenues
Total operating expenses
Depreciation and amortization expense included in total operating expenses
Operating income/(loss)
Expenditure for long-term assets
Net income/(loss) from continuing operations
Total assets	(11,488)				(11,488)				(11,708)
Net loss from continuing operations
Internet Ad [Member] | Operating Segments [Member]
Revenues	13,523		11,902		31,287		25,398
Cost of revenues	12,163		9,874		26,955		19,269
Total operating expenses	2,646		2,418		5,828		6,625
Depreciation and amortization expense included in total operating expenses	338		367		996		1,079
Operating income/(loss)	(1,286)		(390)		(1,496)		(496)
Expenditure for long-term assets							2,036
Net income/(loss) from continuing operations	(1,324)		(474)		(1,887)		(758)
Total assets	28,982				28,982				29,520
Net loss from continuing operations	(1,324)		(474)		(1,887)		(758)
TV Ad [Member] | Operating Segments [Member]
Revenues
Cost of revenues
Total operating expenses	(9)		30		47		106
Depreciation and amortization expense included in total operating expenses			14		1		15
Operating income/(loss)	9		(30)		(47)		(106)
Expenditure for long-term assets
Net income/(loss) from continuing operations	9		(29)		(47)		(105)
Total assets	476				476				348
Net loss from continuing operations	9		(29)		(47)		(105)
Others [Member] | Operating Segments [Member]
Revenues
Cost of revenues
Total operating expenses	733	[1]	944	[2]	1,938	[3]	3,158	[4]
Depreciation and amortization expense included in total operating expenses	22		29		70		76
Operating income/(loss)	(733)		(944)		(1,938)		(3,158)
Expenditure for long-term assets					2		103
Net income/(loss) from continuing operations	(733)		(948)		(1,940)		(3,096)
Total assets	11,170				11,170				$ 11,882
Net loss from continuing operations	$ (733)		$ (948)		$ (1,940)		$ (3,096)

[1] Including approximately US$136,000 share-based compensation expenses.

[2] Including approximately US$583,000 share-based compensation expenses.

[3] Including approximately US$484,000 share-based compensation expenses.

[4] Including approximately US$1,718,000 share-based compensation expenses.