3. Balance Sheet Components

Inventories

Inventories as of November 30, 2016 and August 31, 2016 consisted of the following (in thousands):


	November 30,		August 31,
	2016		2016
Raw materials	$	1,364	$	1,400
Work in process		567		700
Finished goods		1,846		1,967
Total	$	3,777	$	4,067

Inventory write-downs to estimated net realizable values were $196 thousand and $452 thousand for the three months ended November 30, 2016 and 2015, respectively.

Property, Plant and Equipment

Property, plant and equipment as of November 30, 2016 and August 31, 2016 consisted of the following (in thousands):


	November 30,		August 31,
	2016		2016
Buildings and improvements	$	12,764	$	12,822
Machinery and equipment		40,802		41,065
Leasehold improvements		212		213
Other equipment		2,188		2,198
Construction in progress		816		812
Total property, plant and equipment		56,782		57,110
Less: Accumulated depreciation and amortization		(48,331)		(48,297)
Property, plant and equipment, net	$	8,451	$	8,813

Intangible Assets

Intangible assets as of November 30, 2016 and August 31, 2016 consisted of the following (in thousands):


	November 30, 2016
	Weighted
	Average	Gross				Net
	Amortization	Carrying		Accumulated		Carrying
	Period (Years)	Amount		Amortization		Amount
Patents and trademarks	15	$	502	$	442	$	60
Acquired technology	5		476		476		—
Total		$	978	$	918	$	60


	August 31, 2016
	Weighted
	Average	Gross				Net
	Amortization	Carrying		Accumulated		Carrying
	Period (Years)	Amount		Amortization		Amount
Patents and trademarks	15	$	487	$	443	$	44
Acquired technology	5		479		479		—
Total		$	966	$	922	$	44