Note 5 - Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Table Text Block]

	March 31, 2013						December 31, 2012
	Cost		Accumulated depreciation		Net book value		Cost		Accumulated depreciation		Net book value		Estimated useful life (Years)
Computer & office equipment	$	1,518,795	$	1,217,353	$	301,442	$	1,519,617	$	1,181,451	$	338,166		5
Leasehold improvements		91,816		69,979		21,837		92,686		68,044		24,642		5
Computer software		1,538,240		1,416,970		121,270		1,502,524		1,403,705		98,819		3
Office furniture		112,413		92,399		20,014		110,780		90,604		20,176		5
Total	$	3,261,264	$	2,796,701	$	464,563	$	3,225,607	$	2,743,804	$	481,803