Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
Mar. 31, 2019 |
Jan. 01, 2019 |
|---|---|---|
| Operating Lease, Liability, Total | $ 195,000 | |
| Accounting Standards Update 2016-02 [Member] | ||
| Operating Lease, Liability, Total | $ 205,000 |
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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