Note 3 - Income Tax (Details Textual) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Domestic Tax Authority [Member]
Operating Loss Carryforwards	$ 0	$ 25,000
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	0	$ 0
Deferred Tax Assets, Valuation Allowance	$ 0
Effective Income Tax Rate Reconciliation, Percent	39.10%	39.80%