Nature of Operations and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Schedule of Potentially Dilutive Common Shares Excluded from Calculation of Net Income per Share

For the three and six months ended March 31, 2022 and 2021, the following potentially dilutive common shares were excluded from the calculation of net income per share, as they would have been antidilutive (amounts in thousands):

	Three Months Ended March 31,		Six Months Ended March 31,
	2022	2021	2022	2021
Stock options	467	556	452	634
RSUs	914	1,371	1,241	1,238
ESPP common stock equivalents	34	28	15	15
Performance options	532	267	509	200
Performance RSUs	238	156	224	127
Convertible senior notes	7,448	4,551	7,448	2,251
Warrants	7,448	4,551	7,448	2,251
Total potentially dilutive common shares outstanding	17,081	11,480	17,337	6,716

Schedule of Calculation of Basic and Diluted Net Income Per Share

The calculation of basic and diluted net income per share is as follows (amounts in thousands, except per share data):

	Three Months Ended March 31,				Six Months Ended March 31,
	2022		2021		2022		2021
Net income	$	1,911	$	1,019	$	5,035	$	3,186
Weighted-average shares outstanding—basic	44,775		43,138		44,795		42,835
Common stock equivalents	1,322		1,416		1,411		1,532
Weighted-average shares outstanding—diluted	46,097		44,554		46,206		44,367
Net income per share:
Basic	$	0.04	$	0.02	$	0.11	$	0.07
Diluted	$	0.04	$	0.02	$	0.11	$	0.07