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 | |