v3.26.1
Note 9 - Debt (Details Textual)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 01, 2026
USD ($)
Feb. 03, 2026
USD ($)
$ / shares
shares
Nov. 20, 2024
USD ($)
$ / shares
shares
Nov. 15, 2024
USD ($)
$ / shares
shares
Feb. 03, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Sep. 15, 2026
USD ($)
Mar. 31, 2026
$ / shares
Dec. 31, 2025
USD ($)
$ / shares
Jan. 17, 2025
USD ($)
$ / shares
Sep. 08, 2022
USD ($)
$ / shares
Mar. 31, 2022
USD ($)
Warrants and Rights Outstanding   $ 11,687     $ 11,687                    
Debt Instrument, Fair Value Disclosure           $ 15,100   $ 15,100       $ 11,100      
Long-Term Debt, Gross           $ 15,000   15,000       $ 7,839      
Deemed Dividends, Preferred Stock               $ 26,460              
Share Price (in dollars per share) | $ / shares   $ 1.25     $ 1.25 $ 1.07   $ 1.07              
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares           $ 0.001   $ 0.001       $ 0.001      
Gain (Loss) on Extinguishment of Debt                 $ (58)            
Conversion of Senior Convertibles Notes into Series C Preferred Stock [Member]                              
Debt Conversion, Converted Instrument, Amount       $ 22,300                      
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares     2,653 22,347                      
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares     $ 1,000                        
Debt Conversion, Original Debt, Amount     $ 2,600                        
Rights Liability [Member]                              
Derivative Liability   $ 375     $ 375 $ 321   $ 321              
Unrealized Gain (Loss) on Derivatives           24 $ 0 $ 54 0            
Lucid Rights [Member]                              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares   300,000     300,000                    
Warrants and Rights Outstanding   $ 375     $ 375                    
Lucid Rights [Member] | Principal and Interest Outstanding [Member]                              
Warrants and Rights Outstanding, Measurement Input   1.325     1.325                    
Warrants and Right, Measurement, Weighting   30.00%     30.00%                    
Lucid Rights [Member] | Stated Value of Series C Preferred Stock [Member]                              
Warrants and Rights Outstanding, Measurement Input   1.325     1.325                    
Warrants and Right, Measurement, Weighting   70.00%     70.00%                    
Right [Member]                              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares   300,000     300,000                    
Series C Preferred Stock [Member]                              
Stock Redeemed or Called During Period, Shares (in shares) | shares         16,962     16,962              
Equity, Fair Value Disclosure   $ 26,197     $ 26,197                    
Stock Redeemed or Called During Period, Value   26,460                          
Deemed Dividends, Preferred Stock           $ (0) $ 818 $ 6,689 1,607            
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares       $ 0.001   $ 0.001   $ 0.001     $ 0.001 $ 0.001      
Series C Preferred Stock [Member] | Lucid Rights [Member]                              
Warrants and Rights Outstanding   263     263                    
Securities Purchase Agreement, Debt, Initial [Member]                              
Debt Instrument, Face Amount                             $ 27,500
September 2022 Senior Convertible Note [Member]                              
Debt Instrument, Face Amount                       $ 7,839   $ 11,250  
Debt Instrument, Interest Rate, Stated Percentage                       7.875%   7.875%  
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares                       $ 32.04 $ 32.04 $ 2,250  
Long-Term Debt   8,415     8,415 $ 8,415   $ 8,415              
Repayments of Debt         22,346     22,300              
Extinguishment of Debt, Amount         37,721                    
Debt Instrument, Fair Value Disclosure   11,149     11,149             $ 11,100      
Long-Term Debt, Gross   11,261     11,261             $ 7,839 $ 6,600    
Debt Conversion, Original Debt, Amount                 $ 871            
September 2022 Senior Convertible Note [Member] | Lucid Rights [Member]                              
Warrants and Rights Outstanding   112     112                    
Extinguishment of Debt, Gain (Loss), Net of Tax               3,422              
The 2026 Note [Member]                              
Debt Instrument, Face Amount   $ 15,000     $ 15,000 $ 15,000   $ 15,000              
Debt Instrument, Interest Rate, Stated Percentage   15.00%     15.00% 15.00%   15.00%              
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares   $ 450     $ 450 $ 450   $ 450              
Debt Instrument, Fair Value Disclosure           $ 15,100   $ 15,100              
Long-Term Debt, Gross           15,000   15,000              
Debt Instrument, Covenant, Redemption Price Upon Default, Percentage   115.00%     115.00%                    
Debt Instrument, Covenant, Available Cash, Minimum   $ 5,000     $ 5,000                    
Debt Instrument, Convertible, Threshold Consecutive Trading Days   10                          
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger   65.00%                          
Debt Instrument, Covenant, Minimum Market Capitalization   $ 20,000     $ 20,000                    
Debt Instrument, Minimum Cash Covenant           2,500   2,500              
Debt Instrument, Deposit Amount for Benefit           $ 5,000   $ 5,000              
Debt Instrument, Convertible, Maximum Percentage of Beneficial Ownership   4.99%     4.99%                    
The 2026 Note [Member] | Maximum [Member]                              
Debt Instrument, Convertible, Maximum Percentage of Beneficial Ownership   9.99%     9.99%                    
The 2026 Note [Member] | Forecast [Member]                              
Debt Instrument, Covenant, Available Cash, Minimum $ 8,000                            
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger 50.00%                            
Debt Instrument, Minimum Cash Covenant                   $ 8,000