Property, Equipment and Improvements, Net - Tabular (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 8,719	$ 7,899
Less accumulated depreciation and amortization	(7,446)	(7,052)
Property, equipment and improvements, net	1,273	847
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	224	224
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	8,397	7,574
Automobiles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 98	$ 101

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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