Note 4 - Property and Equipment, Net (Details) - Property and Equipment - USD ($)	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Cost	$ 4,192,433	$ 4,102,551
Accumulated Depreciation	3,488,844	3,418,839
Net Book Value	703,589	683,712
Computer And Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	2,096,934	2,055,956
Accumulated Depreciation	1,644,336	1,605,473
Net Book Value	$ 452,598	450,483
Estimated Useful Lives	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Cost	$ 99,085	91,452
Accumulated Depreciation	86,361	85,895
Net Book Value	$ 12,724	5,557
Estimated Useful Lives	5 years
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	$ 1,884,133	1,843,483
Accumulated Depreciation	1,651,114	1,621,492
Net Book Value	$ 233,019	221,991
Estimated Useful Lives	3 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Cost	$ 112,281	111,660
Accumulated Depreciation	107,033	105,979
Net Book Value	$ 5,248	$ 5,681
Estimated Useful Lives	5 years