Note 8 - Income Taxes (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Nov. 25, 2013
Earliest Tax Year [Member] | Domestic Tax Authority [Member]
Open Tax Year	2013
Earliest Tax Year [Member] | State and Local Jurisdiction [Member]
Open Tax Year	2013
Metropolitan [Member]
Operating Loss Carryforwards		$ 37.5