Note 9 - Corporate Governance and Stock (Details) - shares			3 Months Ended
	Jul. 10, 2015	Jun. 30, 2015	Mar. 31, 2016	Dec. 31, 2015
Corporate Governance And Stock [Abstract]
Preferred Stock, Shares Outstanding			0	0
Preferred Stock, Shares Issued			0	0
Supermajority Voting Rights Percentage of Issued and Outstanding Shares			51.00%
Requirement for Notice to Directors of Special Directors Meeting Time Period	4 hours	24 hours