Balance Sheet Components

6 Months Ended

Feb. 28, 2023

Disclosure Text Block Supplement [Abstract]

Balance Sheet Components

3. Balance Sheet Components

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

Inventory write-downs to estimated net realizable values were $196 thousand and $374 thousand for the three and six months ended February 28, 2023, respectively, and $185 thousand and $416 thousand for the three and six months ended February 28, 2022, respectively.

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

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

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