Note 5 - Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	March 31, 2015						December 31, 2014
	Cost		Accumulated depreciation		Net book value		Cost		Accumulated depreciation		Net book value		Estimated useful life (years)
Computer & office equipment	$	1,883,914	$	1,510,463	$	373,451	$	1,880,183	$	1,482,737	$	397,446		5
Leasehold improvements		91,352		83,201		8,151		92,504		82,353		10,151		5
Computer software		1,736,253		1,538,804		197,449		1,580,640		1,528,418		52,222		3
Office furniture		111,401		104,133		7,268		113,365		105,048		8,317		5
Total	$	3,822,920	$	3,236,601	$	586,319	$	3,666,692	$	3,198,556	$	468,136