Note 11 - 401(K) Plans (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Cost of Professional Fees and Selling, General and Administrative Expenses [Member] | ||
| Defined Contribution Plan, Cost | $ 85,199 | $ 40,741 |
| X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|