Note 12 - Geographic Data (Tables)

12 Months Ended

Dec. 31, 2012

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Year Ended December 31,
	2012		2011		% increase
Net revenues:
United States	$	43,096	$	37,809		14.0	%
International		59,670		35,715		67.0	%
Total net revenues	$	102,766	$	73,524		39.7	%

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

	Year Ended December 31,
	2012					2011
Net international revenues:			% of consolidated net revenue					% of consolidated net revenue
Mexico	$	14,602		14.2	%	$	4,649		6.3	%
South Africa		9,893		9.7			4,454		6.1
Australia		7,205		7.0			8,232		11.2
Canada		6,949		6.8			6,467		8.8
Japan		6,267		6.1			4,280		5.8
Romania		4,421		4.3			1,049		1.4
China		4,210		4.1			3,890		5.3
All Others		6,123		5.9			2,694		3.7
Total international revenue	$	59,670		58.1	%	$	35,715		48.6	%

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Year Ended December 31,
	2012		2011
Operating income:
United States	$	3,299	$	2,774
International		708		111
Total operating income	$	4,007	$	2,885

Reconciliation of Long Lived Assets from Segments to Consolidated [Table TextBlock}

	Years Ended December 31
	2012		2011
Long lived assets:
United States	$	3,145	$	2,169
International		2,129		1,385
Total long lived assets	$	5,274	$	3,554