Note 15 - Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Current
Federal	$ (109,214)	$ 329,732
State	13,194	55,836
Net operating loss benefits	0	(343,588)
Deferred expense & change in valuation allowance	914,130	(4,213,570)
Net deferred tax asset revaluation adjustment	1,150,318	0
Provision (benefit) for income taxes	$ 1,968,428	$ (4,171,590)