Stock-based Compensation (Tables)

12 Months Ended

Aug. 31, 2016

Stock-based Compensation

Summary of the option activity and changes

				Weighted-
		Weighted-		Average
	Number of	Average		Remaining	Aggregate
	Stock Options	Exercise		Contractual	Intrinsic
	Outstanding	Price		Life (Years)	Value
	(In thousands)				(In thousands)
Outstanding—September 1, 2014	32	$	94.62	4.5	$	8
Granted	—		—
Forfeited	(10)		65.66
Exercised	—		—
Outstanding—August 31, 2015	22	$	107.14	4.1	$	—
Granted	—		—
Forfeited	(8)		106.69
Exercised	—		—
Outstanding—August 31, 2016	14	$	107.40	3.6	$	1
Vested and expected to vest—August 31, 2016	14	$	107.40	3.6	$	1
Exercisable—August 31, 2016	14	$	107.40	3.6	$	1

Summary of the restricted stock unit awards outstanding and changes

		Weighted-
	Number of	Average
	Stock Units	Grant Date
	Outstanding	Fair Value
	(In thousands)
Outstanding—September 1, 2014	176	$	16.72
Granted	15		7.85
Vested	(62)		22.79
Forfeited	(10)		15.20
Outstanding—August 31, 2015	119	$	12.68
Granted	8		3.40
Vested	(35)		16.61
Forfeited	(30)		11.75
Outstanding—August 31, 2016	62	$	9.83

Employees, directors and nonemployees

Stock-based Compensation

Summary of the stock-based compensation expense

A summary of the stock-based compensation expense for the years ended August 31, 2016 and 2015 are as follows (in thousands):

	Years Ended August 31,
	2016		2015
Cost of revenues	$	91	$	285
Research and development		40		149
Selling, general and administrative		251		855
	$	382	$	1,289