Balance Sheet Components (Tables)

6 Months Ended

Feb. 28, 2023

Disclosure Text Block Supplement [Abstract]

Schedule of inventories

Inventories as of February 28, 2023 and August 31, 2022 consisted of the following (in thousands):

	February 28,		August 31,
	2023		2022
Raw materials	$	622	$	493
Work in process		1,161		953
Finished goods		2,476		2,338
Total	$	4,259	$	3,784

Schedule of property, plant and equipment

Property, plant and equipment as of February 28, 2023 and August 31, 2022 consisted of the following (in thousands):

	February 28,			August 31,
	2023			2022
Buildings and improvements	$	13,685		$	13,698
Machinery and equipment		27,681			27,649
Leasehold improvements		161			161
Other equipment		2,281			2,283
Construction in progress		106			81
Total property, plant and equipment		43,914			43,872
Less: Accumulated depreciation and amortization		(40,284	)		(39,733	)
Property, plant and equipment, net	$	3,630		$	4,139

Schedule of intangible assets

Intangible assets as of February 28, 2023 and August 31, 2022 consisted of the following (in thousands):

	February 28, 2023
	Weighted
	Average		Gross				Net
	Amortization		Carrying		Accumulated		Carrying
	Period (Years)		Amount		Amortization		Amount
Patents and trademarks		15	$	580	$	485	$	95
Acquired technology		5		335		335		—
Total			$	915	$	820	$	95

	August 31, 2022
	Weighted
	Average		Gross				Net
	Amortization		Carrying		Accumulated		Carrying
	Period (Years)		Amount		Amortization		Amount
Patents and trademarks		15	$	580	$	478	$	102
Acquired technology		5		335		335		—
Total			$	915	$	813	$	102

Schedule of accrued expenses and other current liabilities

Accrued expenses and other current liabilities as of February 28, 2023 and August 31, 2022 consisted of the following (in thousands):

	February 28,		August 31,
	2023		2022
Accrued compensation and benefits	$	1,627	$	1,678
Customer deposits		419		346
Accrued business expenses		230		176
Other (individually less than 5% of total accrued expenses and other current liabilities)		311		502
Total	$	2,587	$	2,702