Note 19 - License Agreements (Details Textual) - USD ($) $ in Millions |
1 Months Ended | |
|---|---|---|
Apr. 30, 2020 |
Feb. 29, 2016 |
|
| Healight [Member] | ||
| License Agreement, Initial License Fee Paid | $ 0.3 | |
| License Agreement, Patent Prosecution Fees Paid | $ 0.1 | |
| The 2014 License Agreement, Shire [Member] | ||
| License Agreement, Up-front, Non-refundable License Fee Paid, Maximum | $ 1.0 | |