Note 3 - Leases - Operating Lease Balance Sheet Information (Details) - USD ($) |
Mar. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Right-of-use operating lease asset | $ 125,698 | $ 149,762 |
| Operating lease liability - current | 106,197 | 103,955 |
| Operating lease liability - non-current | 18,363 | 45,595 |
| Total lease liabilities | $ 124,560 | $ 149,550 |
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|