Note 14 - Information About Geographic Areas (Tables)

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
United States	$	19,694	$	15,890	$	55,598	$	43,120
International (1)		3,459		2,376		8,622		7,002
Total	$	23,153	$	18,266	$	64,220	$	50,122

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	September 30, 2014		December 31, 2013
United States	$	7,232	$	5,440
India		2,200		857
Total	$	9,432	$	6,297