Note 18 - 401(k) Savings Plan (Details Textual) - The 401K Plan [Member] - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Defined Contribution Plan, Cost | $ 111,000 | $ 71,000 |
| Maximum [Member] | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 4.00% | |
| X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Percentage employer matches of the employee's percentage contribution matched. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|