Note 8 - Income Taxes - Income Tax Expense (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Federal | ||
| State | ||
| Benefit from utilization of net operating losses | ||
| Subtotal | ||
| Deferred taxes | ||
| Provision for income taxes | ||
| X | ||||||||||
- Definition Amount of benefit from utilization of net operating losses. No definition available.
|
| X | ||||||||||
- Definition Amount of current state, local, federal, and other tax expense (benefit) pertaining to income (loss) from continuing operations. No definition available.
|
| X | ||||||||||
- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|