v3.26.1
FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Recurring Basis [Member] - USD ($)
$ in Thousands
Mar. 31, 2026
Mar. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Mar. 31, 2025
Mar. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
FAIR VALUE MEASUREMENTS [Abstract]                
Investment in marketable securities at fair value $ 263     $ 33        
Restricted investments 250     250        
Total Assets 513     4,914        
Contingent earnout 94     2,647        
Mandatorily redeemable noncontrolling interest 2,706     4,161        
Total Liabilities 2,800     6,808        
Investment in Rubicon at fair value       4,631        
Level 1 [Member]                
FAIR VALUE MEASUREMENTS [Abstract]                
Investment in marketable securities at fair value 263     33        
Restricted investments 250     250        
Total Assets 513 $ 513 $ 392 4,914 $ 2,760 $ 2,760 $ 2,163 $ 1,824
Contingent earnout 64     1,143        
Mandatorily redeemable noncontrolling interest 0     0        
Total Liabilities 64     1,143        
Investment in Rubicon at fair value       4,631        
Level 2 [Member]                
FAIR VALUE MEASUREMENTS [Abstract]                
Investment in marketable securities at fair value 0     0        
Total Assets 0     0        
Contingent earnout 0     0        
Mandatorily redeemable noncontrolling interest 0     0        
Total Liabilities 0     0        
Investment in Rubicon at fair value       0        
Level 3 [Member]                
FAIR VALUE MEASUREMENTS [Abstract]                
Investment in marketable securities at fair value 0     0        
Total Assets 0     0        
Contingent earnout 30     1,504        
Mandatorily redeemable noncontrolling interest 2,706     4,161        
Total Liabilities $ 2,736     5,665        
Investment in Rubicon at fair value       $ 0