Quarterly report pursuant to Section 13 or 15(d)

FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS (Details)

v3.19.3
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jun. 30, 2019
Sep. 30, 2018
Jun. 30, 2018
FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS        
Cash, cash equivalents, and restricted cash $ 25,215 $ 11,573 $ 401 $ 1,646