XML 43 R27.htm IDEA: XBRL DOCUMENT v3.22.4

Stock-Based Compensation (Tables)

12 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

		2022				2021
Selling, general and administrative		$	780,818			$	1,550,841
Research and development			166,394				242,358
Total stock-based compensation expense		$	947,212			$	1,793,199

Schedule of weighted-average assumptions used in the Black-Scholes option-pricing model

		Number of Options				Weighted Average Exercise Price				Weighted- Average Remaining Contractual Term (years)				Aggregate Intrinsic Value(1)
Outstanding at September 30, 2020			492,842			$	6.13				8.8			$	96,088
Granted			703,117			$	5.83				—				—
Exercised			(1,538	)		$	6.60				—				—
Forfeited/Cancelled			(71,861	)		$	6.85				—				—
Outstanding at September 30, 2021			1,122,560			$	5.89				8.8			$	127,339
Granted			152,690			$	1.50				—				—
Exercised			—			$	—				—				—
Forfeited/Cancelled			(35,335	)		$	4.14				—				—
Outstanding at September 30, 2022			1,239,915			$	5.40				8.0			$	89,295
Vested and expected to vest at September 30, 2022			1,239,915			$	5.40				8.0			$	89,295
Vested and exercisable at September 30, 2022			783,494			$	5.76				7.7			$	56,542

(1) The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying options and the fair value of our common stock as of September 30, 2022 and 2021 of $1.69 and $3.95 per share, respectively. As of September 30, 2022 and 2021, 1,125,710 and 1,055,376 outstanding options, respectively, had no intrinsic value.

Schedule of weighted-average assumptions used in the Black-Scholes option-pricing model

		2022				2021
Expected stock price volatility			53.5	%			55.9	%
Expected life of options (years)			5.6				6.0
Expected dividend yield			0	%			0	%
Risk free interest rate			2.3	%			0.6	%

Schedule of restricted stock unit activity

		Number of
		Shares
Non-vested at September 30, 2020			26,698
Granted			13,776
Vested			(29,090	)
Non-vested at September 30, 2021			11,384
Granted			443,670
Vested			(40,624	)
Non-vested at September 30, 2022			414,430

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration