Quarterly Information (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Data

The following table sets forth selected quarterly financial data for 2019, 2018, and 2017 (shown in thousands except per share data):

	2019
	1		2		3		4
Revenue	$	17,683	$	19,983	$	21,906	$	25,018
Cost of revenue	2,878		2,991		3,168		3,229
Operating expenses	19,365		18,642		21,647		17,260
Operating income (loss)	(4,560)		(1,650)		(2,909)		4,529
Other income, net	14		140		98		350
Income tax benefit (provision)	1,355		794		2,712		(1,597)
Net income (loss)	$	(3,191)	$	(716)	$	(99)	$	3,282
Net income (loss) per share:
Net income (loss) per share—basic	$	(0.08)	$	(0.02)	$	(0.00)	$	0.08
Net income (loss) per share—diluted	$	(0.08)	$	(0.02)	$	(0.00)	$	0.08
Shares used in calculating net income (loss) per share—basic	38,247		38,926		39,936		40,252
Shares used in calculating net income (loss) per share—diluted	38,247		38,926		39,936		41,635

	2018
	1		2		3		4
Revenue	$	12,136	$	14,277	$	16,109	$	21,037
Cost of revenue	1,617		1,717		2,678		2,674
Operating expenses	12,831		13,825		16,294		19,729
Operating loss	(2,312)		(1,265)		(2,863)		(1,366)
Other income (expense), net	190		204		(1,351)		22
Income tax benefit (provision)	(3,614)		(99)		1,430		(783)
Net loss	$	(5,736)	$	(1,160)	$	(2,784)	$	(2,127)
Net loss per share:
Net loss per share—basic and diluted	$	(0.17)	$	(0.03)	$	(0.08)	$	(0.06)
Shares used in calculating net loss per share—basic and diluted	34,207		34,976		36,190		37,858

	2017
	1		2		3		4
Revenue	$	9,269	$	11,419	$	11,798	$	12,904
Cost of revenue	891		830		1,182		1,138
Operating expenses	9,050		9,365		10,132		10,033
Operating income (loss)	(672)		1,224		484		1,733
Other income, net	65		67		149		121
Income tax benefit (provision)	—		(74)		(17)		11,012
Net income (loss)	$	(607)	$	1,217	$	616	$	12,866
Net income (loss) per share:
Net income (loss) per share—basic	$	(0.02)	$	0.04	$	0.02	$	0.38
Net income (loss) per share—diluted	$	(0.02)	$	0.03	$	0.02	$	0.35
Shares used in calculating net income (loss) per share—basic	32,377		32,786		33,024		33,522
Shares used in calculating net income (loss) per share—diluted	32,377		34,815		35,610		36,251