Quarterly report pursuant to Section 13 or 15(d)

Property, Plant, and Equipment - Additional Information (Details)

v3.20.2
Property, Plant, and Equipment - Additional Information (Details) - USD ($)
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Property Plant And Equipment [Abstract]    
Depreciation and amortization expense $ 347,000 $ 415,000