Equity (Tables)

12 Months Ended

Sep. 30, 2022

Equity [Abstract]

Schedule of Stock Options Activity

The following table summarizes stock option activity under the Equity Plans for the fiscal year ended September 30, 2022:

	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value (*) (in thousands)
Outstanding as of September 30, 2021	19,869	$	4.59
Granted	—	—
Exercised	5,725	5.05
Forfeited	—	—
Expired	4,163	4.13
Outstanding as of September 30, 2022	9,981	$	4.52	2.53	$	—
Exercisable as of September 30, 2022	9,981	$	4.52	2.53	$	—
Vested and expected to vest as of September 30, 2022	9,981	$	4.52	2.53	$	—

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(*)    Intrinsic value for stock options represents the “in-the-money” portion or the positive variance between a stock option’s exercise price and the underlying stock price. For the fiscal year ended September 30, 2021, the intrinsic value of options exercised was $0.

Schedule of Restricted Stock Activity

The following table summarizes the activity related to RSUs and RSAs subject to time-based vesting requirements for the fiscal year ended September 30, 2022:

	RSUs			RSAs
	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2021	1,804,854	$	4.61	—	$	—
Granted	1,987,657	3.46		—	—
Vested	592,711	4.57		—	—
Forfeited	254,420	3.95		—	—
Non-vested as of September 30, 2022	2,945,380	$	3.90	—	$	—

Schedule of Performance Share Activity

The following table summarizes the activity related to PSUs for the fiscal year ended September 30, 2022:

	PSUs
	Number of Shares (at target)	Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2021	967,000	$	5.01
Granted	1,082,053	4.51
Vested	92,352	5.19
Forfeited	147,648	5.19
Non-vested as of September 30, 2022	1,809,053	$	4.69

Schedule of Stock-based Compensation Expense - By Award Type

The following table sets forth stock-based compensation expense by award type:

	Year Ended September 30,
(in thousands)	2022		2021
Employee stock options	$	—	$	2
RSUs and RSAs	2,576		2,093
PSUs and PRSAs	2,314		1,396
ESPP	—		307
Outside director equity awards and fees in common stock	484		382
Total stock-based compensation expense	$	5,374	$	4,180

Schedule of Stock-based Compensation Expense - By Expense Type

The following table sets forth stock-based compensation expense by expense type:

	Year Ended September 30,
(in thousands)	2022		2021
Cost of revenue	$	952	$	767
Selling, general, and administrative	3,591		2,590
Research and development	831		823
Total stock-based compensation expense	$	5,374	$	4,180

Schedule of (Loss) Income Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted net (loss) income per share:

	Year Ended September 30,
(in thousands, except per share data)	2022		2021
Numerator
Net (loss) income	$	(24,333)	$	25,643
Denominator
Weighted average number of shares outstanding - basic	37,269		34,020
Effect of dilutive securities
Stock options	—		7
PSUs, RSUs, and restricted stock	—		1,762
Weighted average number of shares outstanding - diluted	37,269		35,789
Earnings per share - basic	$	(0.65)	$	0.75
Earnings per share - diluted	$	(0.65)	$	0.72
Weighted average antidilutive options, unvested RSUs and RSAs, unvested PSUs and ESPP shares excluded from the computation	858		195

Schedule of Common Stock Reserved for Future Issuances

Common stock reserved for future issuances was as follows:

	As of September 30, 2022
Exercise of outstanding stock options	9,981
Unvested RSUs and RSAs	2,945,380
Unvested PSUs and PRSAs (at 200% maximum payout)	3,618,106
Issuance of stock-based awards under the Equity Plans	271,282
Purchases under the officer and director share purchase plan	88,741
Total reserved	6,933,490