Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
Sep. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total | $ 0 | $ 0 |
| Operating Loss Carryforwards, Total | 3,500,000 | |
| Operating Loss Carryforward, Amount to Expire in Remainder of Fiscal Year | $ 867,000 |
| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws, subject to expiration within the remainder of the current fiscal year. No definition available.
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| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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