Note 7 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Deferred Tax Assets, Tax Credit Carryforwards	$ 642,000	$ 653,000
Deferred Tax Assets, Gross	2,935,000	2,492,000
Deferred Tax Assets, Valuation Allowance	2,935,000	2,492,000
Operating Loss Carryforwards	4,116,000	5,285,000
Unrecognized Tax Benefits	0	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0	0
Unrecognized Tax Benefits, Interest on Income Taxes Expense	0	0
Unrecognized Tax Benefits, Income Tax Penalties Expense	0	$ 0
Prior To Their Acquisition By The Company [Member]
Operating Loss Carryforwards	$ 1,500,000