Quarterly report pursuant to Section 13 or 15(d)

FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS - Fair value on a recurring basis (Details)

v3.23.3
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS - Fair value on a recurring basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Jun. 30, 2023
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities $ 98,817 $ 102,330
Recurring    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Financial assets measured at fair value 104,140 112,274
Recurring | Money market funds    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Cash and cash equivalents 5,323 5,464
Recurring | Corporate commercial paper    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Cash and cash equivalents   4,481
Marketable debt securities 40,899 41,597
Recurring | U.S. Government agencies    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 24,640 26,394
Recurring | U.S. Government treasuries    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 5,465 10,404
Recurring | Corporate notes and bonds    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 23,579 19,240
Recurring | Asset-backed securities    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 4,234 4,694
Recurring | Level 1    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Financial assets measured at fair value 10,788 20,349
Recurring | Level 1 | Money market funds    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Cash and cash equivalents 5,323 5,464
Recurring | Level 1 | Corporate commercial paper    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Cash and cash equivalents   4,481
Recurring | Level 1 | U.S. Government treasuries    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 5,465 10,404
Recurring | Level 2    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Financial assets measured at fair value 93,352 91,925
Recurring | Level 2 | Corporate commercial paper    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 40,899 41,597
Recurring | Level 2 | U.S. Government agencies    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 24,640 26,394
Recurring | Level 2 | Corporate notes and bonds    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities 23,579 19,240
Recurring | Level 2 | Asset-backed securities    
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS    
Marketable debt securities $ 4,234 $ 4,694