Note 5 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	December 31, 2014						December 31, 2013
	Cost		Accumulated depreciation		Net book value		Cost		Accumulated depreciation		Net book value		Estimated useful life (years)
Computer & office equipment	$	1,880,183	$	1,482,737	$	397,446	$	1,822,098	$	1,326,256	$	495,842		5
Leasehold improvements		92,504		82,353		10,151		93,812		75,735		18,077		5
Computer software		1,580,640		1,528,418		52,222		1,556,497		1,477,801		78,696		3
Office furniture		113,365		105,048		8,317		114,373		99,555		14,818		5
Total	$	3,666,692	$	3,198,556	$	468,136	$	3,586,780	$	2,979,347	$	607,433