Annual report pursuant to Section 13 and 15(d)

Note 14- Income Taxes (Details Textual)

v3.23.1
Note 14- Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Deferred Tax Assets, Tax Credit Carryforwards, Research and Development [1] $ 9,256,968 $ 9,501,299
Operating Loss Carryforwards 175,000,000  
Domestic Tax Authority [Member]    
Deferred Tax Assets, Tax Credit Carryforwards, Research and Development 8,868,343  
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]    
Operating Loss Carryforwards 175,127,244 168,776,440
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Research Tax Credit Carryforward [Member]    
Tax Credit Carryforward, Amount Expired During Period 5,350 0
State and Local Jurisdiction [Member]    
Deferred Tax Assets, Tax Credit Carryforwards, Research and Development 388,625  
Operating Loss Carryforwards $ 20,068,842 $ 20,068,842
[1] Includes U.S. R&D credit carryforwards of $8,868,343 and state R&D credit carryforwards of $388,625 as of December 31, 2022.