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COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Oct. 06, 2023
Subsequent Event [Line Items]      
Available for sale securities amortized costs $ 2,714,000 $ 2,714,000  
Investments included net unrealized gains (losses) 200,000 (219,000)  
Gross unrealized gains 362,000 67,000  
Gross unrealized losses 162,000 286,000  
Marketable equity securities 1,010,000 $ 1,134,000  
Future amortization expense $ 27,000    
Monogram Orthopaedics Inc [Member]      
Subsequent Event [Line Items]      
Exercisable warrants 1,825,405 1,823,058  
Estimated fair value of warrant $ 3,670,000 $ 6,160,000  
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Cash     $ 1,250,000
Common stock shares     1,828,551
Closing price     $ 2.67