Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Sep. 30, 2020
Inventory [Line Items]
Allowance for excess and obsolete inventory	$ (3,054)	$ (3,054)
Total inventories, net	6,202	5,576
New equipment
Inventory [Line Items]
Inventory, gross	1,397	1,311
Refurbished and used equipment
Inventory [Line Items]
Inventory, gross	$ 7,859	$ 7,319

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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