Note 2 - Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Computer equipment and software	$ 844,557	$ 794,230
Accumulated depreciation	(775,152)	(645,115)
Total	69,405	149,115
Intangible assets	6,437,726	4,723,968
Accumulated amortization	(2,512,203)	(1,939,957)
Total	3,925,523	2,784,011
Software Development [Member]
Computer equipment and software	431,497	387,472
Furniture and Fixtures [Member]
Computer equipment and software	120,420	119,768
Leasehold Improvements [Member]
Computer equipment and software	$ 292,640	$ 286,990

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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