Stock-based Compensation (Tables)

6 Months Ended

Feb. 28, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of the stock-based compensation expense

A summary of the stock-based compensation expense for the three and six months ended February 28, 2018 and 2017 was as follows (in thousands):

	Three Months Ended				Six Months Ended
	February 28, 2018		February 28, 2017		February 28, 2018		February 28, 2017
Cost of revenues	$	7	$	16	$	14	$	33
Research and development		3		3		6		5
Selling, general and administrative		14		62		28		126
	$	24	$	81	$	48	$	164