Note 4 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31, 2016						December 31, 2015
	Cost		Accumulated depreciation		Net book value		Cost		Accumulated depreciation		Net book value		Estimated useful life (years)
Computer & office equipment	$	2,125,067	$	1,761,879	$	363,188	$	2,055,956	$	1,605,473	$	450,483		5
Leasehold improvements		114,719		89,789		24,930		91,452		85,895		5,557		5
Computer software		1,925,462		1,720,399		205,063		1,843,483		1,621,492		221,991		3
Office furniture		158,436		114,065		44,371		111,660		105,979		5,681		5
Total	$	4,323,684	$	3,686,132	$	637,552	$	4,102,551	$	3,418,839	$	683,712