v3.23.3
Summary of Significant Accounting Policies (Cash, Cash Equivalents and Restricted Cash) (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Jun. 30, 2023
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]    
Additional percentage of collateral held required by bank 5.00%  
Restricted cash $ 3,300 $ 3,300
Cash and equivalents 1,461 4,301
Total cash, cash equivalents and restricted cash 4,761 7,579
Letter Of Credit - Term Loan [Member]    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]    
Restricted cash 3,000  
Collateral held 3,047 3,025
Letter Of Credit - San Diego Lease [Member]    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]    
Collateral held 198 198
Company Purchasing Card [Member]    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]    
Collateral held $ 55 $ 55