Note 4 - Property and Equipment, Net - Property and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cost	$ 4,323,684	$ 4,102,551
Accumulated Depreciation	3,686,132	3,418,839
Net Book Value	$ 637,552	683,712
Estimated Useful Lives (Year)
Computer And Office Equipment [Member]
Cost	$ 2,125,067	2,055,956
Accumulated Depreciation	1,761,879	1,605,473
Net Book Value	$ 363,188	450,483
Estimated Useful Lives (Year)	5 years
Leasehold Improvements [Member]
Cost	$ 114,719	91,452
Accumulated Depreciation	89,789	85,895
Net Book Value	$ 24,930	5,557
Estimated Useful Lives (Year)	5 years
Computer Equipment [Member]
Cost	$ 1,925,462	1,843,483
Accumulated Depreciation	1,720,399	1,621,492
Net Book Value	$ 205,063	221,991
Estimated Useful Lives (Year)	3 years
Furniture and Fixtures [Member]
Cost	$ 158,436	111,660
Accumulated Depreciation	114,065	105,979
Net Book Value	$ 44,371	$ 5,681
Estimated Useful Lives (Year)	5 years