Note 4 - Property and Equipment, Net - Property and Equipment (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Computer And Office Equipment [Member]
Cost	$ 2,105,691	$ 2,055,956
Accumulated Depreciation	1,683,685	1,605,473
Net Book Value	$ 422,006	450,483
Estimated Useful Lives	5 years
Leasehold Improvements [Member]
Cost	$ 105,929	91,452
Accumulated Depreciation	87,105	85,895
Net Book Value	$ 18,824	5,557
Estimated Useful Lives	5 years
Computer Equipment [Member]
Cost	$ 1,884,873	1,843,483
Accumulated Depreciation	1,671,897	1,621,492
Net Book Value	$ 212,976	221,991
Estimated Useful Lives	3 years
Furniture and Fixtures [Member]
Cost	$ 159,292	111,660
Accumulated Depreciation	109,299	105,979
Net Book Value	$ 49,993	5,681
Estimated Useful Lives	5 years
Cost	$ 4,255,785	4,102,551
Accumulated Depreciation	3,551,986	3,418,839
Net Book Value	$ 703,799	$ 683,712
Estimated Useful Lives