Note 9 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforwards	$ 119,000
Deferred Tax Assets, Net of Valuation Allowance	$ 2,200,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	34.00%	34.00%	34.00%
Unrecognized Tax Benefits	$ 150,000	$ 162,000	$ 230,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 153,000	$ 153,000