XML 26 R49.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments and Contingencies (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 07, 2019
Mar. 14, 2014
Feb. 06, 2012
Jun. 30, 2020
Mar. 31, 2015
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Commitments and Contingencies                
Environmental Remediation Expense       $ 200,000   $ 1,119,155    
Payments for Environmental Liabilities           82,155    
Loss contingency damages sought value   $ 492,000 $ 469,000   $ 696,000      
Gain (Loss) Related to Litigation Settlement $ 750,000         $ 0 $ 750,000 $ 0