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SHARE- BASED COMPENSATION (Tables)
12 Months Ended
Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense The following table shows total share-based compensation expense included in the Consolidated Statements of Operations for fiscal 2023, 2022 and 2021 (in thousands):
Year ended June 30,
 202320222021
Cost of revenues$73 $74 $102 
Research and development3,541 2,541 2,114 
Sales, general and administrative1,120 901 813 
$4,734 $3,516 $3,029 
Schedule of Option Activity for Company's Stock Incentive Plans
The following is a summary of option activity for the Company’s stock incentive plans for fiscal 2023:

 Common Stock Options Outstanding
 Number
of Shares
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Life (Years)
Aggregate
Intrinsic
Value
(In thousands)
Balance, June 30, 2022
2,112 $10.77 0.37$584,982 
Exercised(2,112)$10.77 
Balance, June 30, 2023
— $— 0$— 
Vested as of June 30, 2023
— $— 0$— 
Vested and exercisable as of June 30, 2023
— $— 0$— 
Schedule of RSU Activity The following table summarizes the activity of the RSUs made by the Company:
Number of SharesWeighted Average Grant Date Fair Value
Non-vested RSUs, June 30, 2022
53,374 $222.24 
RSUs granted32,843 $264.52 
RSUs vested(21,991)$183.17 
RSUs forfeited(1,278)$279.64 
Non-vested RSUs, June 30, 2023
62,948 $256.78