Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	$ 26,908	$ 21,275
Less accumulated depreciation	(8,466)	(5,321)
Total property and equipment, net	18,442	15,954
Depreciation and amortization expense	3,249	2,682	$ 1,685
Land [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	417	1,066
Buildings and Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	1,052	336
Leasehold Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	6,609	5,197
Machinery and Equipment [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	5,910	4,743
Office Equipment [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	6,133	3,795
Company Vehicles [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	5,496	4,537
Construction in Progress [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property and equipment	$ 1,291	$ 1,601