Segments and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2015

Segments and Geographic Information [Abstract]

Components of Revenues

	For the years ended December 31,
	2013			2014			2015
Revenues:
Internet services	$	669,817		$	1,367,618		$	1,680,355
Smart hardware and IOT devices		-			-			58,423
Others		1,271			23,042			65,805
		671,088			1,390,660			1,804,583
Cost of revenues:
Internet services		(87,334	)		(290,076	)		(332,858	)
Smart hardware and IOT devices		-			-			(51,498	)
Others		(504	)		(15,386	)		(39,401	)
		(87,838	)		(305,462	)		(423,757	)
Gross profit:
Internet services		582,483			1,077,542			1,347,497
Smart hardware and IOT devices		-			-			6,925
Others		767			7,656			26,404
		583,250			1,085,198			1,380,826
Operating expenses:
Product development		(255,248	)		(406,250	)		(495,964	)
Selling and marketing		(110,104	)		(333,701	)		(483,615	)
General and administrative		(117,148	)		(94,260	)		(161,363	)
Total operating expenses		(482,500	)		(834,211	)		(1,140,942	)
Subsidy income		2,349			8,506			20,647
Income from operations	$	103,099		$	259,493		$	260,531