Note 2 - Summary of Significant Accounting Policies - Summary of Cash Balances (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Cash and Cash Equivalents, at Carrying Value, Ending Balance	$ 921,942	$ 990,457	$ 1,175,525	$ 1,910,153
Parent Company [Member]
Cash and Cash Equivalents, at Carrying Value, Ending Balance	574,106	461,914
Noncontrolling Interest [Member]
Cash and Cash Equivalents, at Carrying Value, Ending Balance	$ 347,836	$ 528,543