Note 12 - Segment Reporting - Loss From Operations (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment profit (loss)		$ 673,288	$ (799,829)	$ 4,069,785	$ 737,145
General and administrative expenses		(1,289,616)	(901,321)	(2,284,299)	(1,927,896)
Patent litigation and defense costs		(24,542)	(39,446)	(67,230)	(75,612)
Severance and Transition Costs	[1]	(767,755)		(767,755)
Depreciation and amortization		(1,674,875)	(1,617,620)	(3,251,304)	(3,365,592)
Income (loss) from Operations		$ (3,083,501)	$ (3,358,216)	$ (2,300,803)	$ (4,631,955)

[1] Severance and transition costs comprise (i) payments and accruals for future payments to our former Chief Executive Officer and Chielf Financial Officer and (ii) legal fees directly related to separation and transition activities.