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Note 14 - Convertible Notes (Details Textual) - Senior Unsecured Convertible Notes [Member] - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 9 Months Ended
Aug. 12, 2022
Aug. 08, 2022
Jul. 29, 2022
Jun. 30, 2022
May 20, 2022
Sep. 30, 2022
Sep. 30, 2021
Proceeds from Convertible Debt         $ 10,000    
Debt Instrument, Interest Rate, Stated Percentage         8.00%    
Debt Instrument, Convertible, Conversion Price (in dollars per share)         $ 3.33    
Four Affiliated Individuals [Member]              
Convertible Debt, Total       $ 9,000      
Affiliated Individual [Member]              
Convertible Debt, Total       $ 1,000      
Four Board Members [Member]              
Proceeds from Related Party Debt         $ 9,000 $ 18,000 $ 0
Debt Conversion, Converted Instrument, Shares Issued (in shares)       1,965,841      
Non-affiliated Party [Member]              
Proceeds from Convertible Debt           $ 11,000 $ 0
Debt Conversion, Converted Instrument, Shares Issued (in shares)       231,697      
Non-affiliated Party [Member] | Conversion Price 6 Point 254, Maturity Date December 2026 [Member]              
Proceeds from Related Party Debt $ 10,000            
Debt Instrument, Interest Rate, Stated Percentage 8.00%            
Debt Instrument, Convertible, Conversion Price (in dollars per share) $ 6.15            
Director [Member] | Conversion Price 6 Point 254, Maturity Date December 2028 [Member]              
Proceeds from Related Party Debt     $ 5,000        
Debt Instrument, Interest Rate, Stated Percentage     8.00%        
Debt Instrument, Convertible, Conversion Price (in dollars per share)     $ 6.254        
Director [Member] | Conversion Price 6 Point 15, Maturity Date December 2028 [Member]              
Proceeds from Related Party Debt   $ 4,000          
Debt Instrument, Interest Rate, Stated Percentage   8.00%          
Debt Instrument, Convertible, Conversion Price (in dollars per share)   $ 6.254