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Note 7 - Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Prior To Their Acquisition By The Company [Member]    
Operating Loss Carryforwards $ 1,500,000  
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
Deferred Tax Assets, Tax Credit Carryforwards 653,000 520,000
Deferred Tax Assets, Gross 2,492,000 8,526,000
Deferred Tax Assets, Valuation Allowance 2,492,000 8,526,000
Operating Loss Carryforwards $ 5,285,000 $ 11,036,000