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Property and Equipment (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Property, Plant and Equipment [Abstract]      
Construction in progress, gross $ 20 $ 8,900  
Depreciation expense 8,200 8,400 $ 7,500
Impairment loss of property and equipment $ 302 $ 4,200 $ 1,600