Basis of Presentation and Significant Accounting Policies - Inventory (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Sep. 30, 2019
Inventory, Net [Abstract]
Raw materials and supplies	$ 235	$ 163
Finished goods	399	395
Less: Obsolescence reserve	(90)	0
Inventory, Net	$ 544	$ 558

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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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 before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

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Amount of valuation reserve for inventory.

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