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Supplemental Financial Information (Details - non-cash transactions) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Acquisition of property through operating leases $ 4,320 $ 7,170
Acquisition of property through financing leases 536 0
Accrued property and equipment paid for in the subsequent period 54 868
Warrants to purchase common stock issued with bank credit facility 0 500
Fair value adjustment of earnout consideration for TN companies at acquisition date $ 0 $ 393