Stock-based Compensation Plans (Tables)

6 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-based Compensation Expenses

Stock-based compensation expense was reported as follows in the condensed consolidated statements of operations:

	Three Months Ended				Six Months Ended
	March 31,				March 31,
(In thousands)	2021		2020		2021		2020
Product costs	$	32	$	15	$	69	$	48
Research and development		305		168		589		430
Selling, general and administrative		1,092		1,121		2,204		2,219
Total	$	1,429	$	1,304	$	2,862	$	2,697