Note 4 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	December 31, 2015						December 31, 2014
	Cost		Accumulated depreciation		Net book value		Cost		Accumulated depreciation		Net book value		Estimated useful life (years)
Computer & office equipment	$	2,055,956	$	1,605,473	$	450,483	$	1,880,183	$	1,482,737	$	397,446		5
Leasehold improvements		91,452		85,895		5,557		92,504		82,353		10,151		5
Computer software		1,843,483		1,621,492		221,991		1,580,640		1,528,418		52,222		3
Office furniture		111,660		105,979		5,681		113,365		105,048		8,317		5
Total	$	4,102,551	$	3,418,839	$	683,712	$	3,666,692	$	3,198,556	$	468,136