XML 33 R30.htm IDEA: XBRL DOCUMENT v3.19.3
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND GENERAL (Commitments and Contingencies) (Details) - USD ($)
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Accounting Policies [Abstract]    
Preliminary investigation and remediation costs at site   $ 10,000.0
Reserve against potential environmental liabilities $ 0 50,000.0
Accrued additional expenditures and other remediation measures   $ 130.0
Additional expenditures and remediation expenses $ 38,700