v3.26.1
Investments in equity securities (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 18, 2026
Mar. 30, 2026
Mar. 23, 2026
Feb. 11, 2026
Oct. 31, 2025
Jun. 30, 2026
Jun. 30, 2026
Jun. 01, 2026
Apr. 16, 2026
Marketable Securities [Line Items]                  
Fair value of investment           $ 300 $ 300    
Unrealized loss of investment           $ 20 10    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   5,376,807              
Number of shares purchased           0      
Investments           $ 1,500 1,500    
Smartkem Inc [Member]                  
Marketable Securities [Line Items]                  
Invested amount           3,500 3,500    
Astro Investment XVII [Member]                  
Marketable Securities [Line Items]                  
Invested amount                 $ 1,500
SAFE Investment [Member]                  
Marketable Securities [Line Items]                  
Investments           30 30    
Remaining funding           30 30    
SAFE Investment [Member] | Share-Based Payment Arrangement, Tranche One [Member]                  
Marketable Securities [Line Items]                  
Invested amount           30 30    
SAFE Investment [Member] | Astro Investment XVII [Member]                  
Marketable Securities [Line Items]                  
Invested amount               $ 50  
Convertible Preferred Stock [Member]                  
Marketable Securities [Line Items]                  
Number of purchased shares   2,500              
Convertible Preferred Stock And Warrants [Member]                  
Marketable Securities [Line Items]                  
Number of purchased price   $ 2,000              
Series A Convertible Preferred Stock [Member]                  
Marketable Securities [Line Items]                  
Number of purchased shares         691        
Number of purchased price       $ 900          
Series A Convertible Preferred Stock [Member] | Securities Purchase Agreement [Member]                  
Marketable Securities [Line Items]                  
Number of shares purchased 1,838                
Minimum [Member]                  
Marketable Securities [Line Items]                  
Unrealized loss of investment           $ 20 $ 20    
Smartkem Inc [Member]                  
Marketable Securities [Line Items]                  
Ownership interest     5.00%            
Common Stock [Member]                  
Marketable Securities [Line Items]                  
Number of purchased shares     1,057,317            
Number of purchased price     $ 200            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         32,991 9,211 9,211    
Common Stock [Member] | Securities Purchase Agreement [Member] | Smartkem Inc [Member]                  
Marketable Securities [Line Items]                  
Number of shares purchased, value $ 1,500                
Warrant [Member] | Securities Purchase Agreement [Member]                  
Marketable Securities [Line Items]                  
Number of purchased shares         908,797        
Number of shares purchased 3,955,442