Quarterly report pursuant to Section 13 or 15(d)

FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS (Details)

v3.21.2
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2020
Jun. 30, 2020
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS        
Cash, cash equivalents, and restricted cash $ 37,292 $ 41,047 $ 6,404 $ 9,955