XML 44 R32.htm IDEA: XBRL DOCUMENT v3.23.1

STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

SCHEDULE OF STOCK BASED COMPENSATION

The following table summarizes stock-based compensation (in thousands):

 SCHEDULE OF STOCK BASED COMPENSATION

		2022				2021
		For the year ended December 31,
		2022				2021
Research and development		$	925			$	3,299
General and administrative			2,126				5,617
Total stock-based compensation expense		$	3,051			$	8,916

SCHEDULE OF WEIGHTED-AVERAGE ASSUMPTIONS TO ESTIMATE THE FAIR VALUE OF THE OPTIONS GRANTED

The Company estimated the fair value of stock options granted in the periods presented utilizing a Black-Scholes option-valuation model utilizing the following assumptions:

 SCHEDULE OF WEIGHTED-AVERAGE ASSUMPTIONS TO ESTIMATE THE FAIR VALUE OF THE OPTIONS GRANTED

		For the year ended December 31,
		2022				2021
Expected volatility			95.1% - 96.0%				91.6% - 99.8%
Expected term			6.07 - 6.08 years				5.25 - 6.08 years
Risk-free interest rate			1.7% - 3.3%				0.8% - 1.4%
Expected dividend yield			0%				0%

SCHEDULE OF RESTRICTED STOCK AWARD ACTIVITY

The following table summarizes restricted stock award activity:

 SCHEDULE OF RESTRICTED STOCK AWARD ACTIVITY

		Number of Awards				Weighted Average Grant Date Fair Value Per Unit
Outstanding at December 31, 2020			118,100			$	44.50
Granted			115,627			$	43.00
Cancelled/forfeited			(32,776	)		$	50.50
Vested			(103,691	)		$	38.75
Outstanding at December 31, 2021			97,260			$	46.50
Granted			779,722			$	3.12
Cancelled/forfeited			(32,498	)		$	38.80
Vested			(27,526	)		$	48.63
Outstanding at December 31, 2022			816,958			$	5.35

2015 Equity Incentive Plan [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

SCHEDULE OF STOCK OPTIONS ACTIVITY

The following table summarizes stock option information for the 2015 Equity Incentive Plan:

 SCHEDULE OF STOCK OPTIONS ACTIVITY

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2020			222,430			$	55.25				6.86			$	—
Granted			195,092			$	43.75				—			$	—
Cancelled/forfeited			(78,101	)		$	101.75				—			$	—
Exercised			(25,227	)		$	33.00				—			$	—
Outstanding at December 31, 2021			314,194			$	38.48				7.63			$	—
Granted			7,760			$	5.30				—			$	—
Cancelled/forfeited			(84,384	)		$	39.25				—			$	—
Exercised			—			$	—				—			$	—
Outstanding at December 31, 2022			237,570			$	37.11				6.50			$	—
Exercisable			153,695			$	36.34				5.49			$	—
Unvested			83,875			$	38.53				8.33			$	—

SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE

Further information regarding options outstanding under the 2015 Equity Incentive Plan as of December 31, 2022 is summarized below:

 SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE

												Weighted-Average												Weighted-Average
Range of Exercise Prices								Number of Options Outstanding				Remaining Life In Years				Exercise Price				Number of Options Exercisable				Remaining Life in Years				Exercise Price
$	4.00			$	22.75				25,040				8.9			$	17.25				6,794				8.8			$	21.25
	25.50				47.00				157,535				5.6				33.17				122,143				4.8				32.80
	54.50				58.50				54,795				8.0				57.04				24,558				7.8				57.07
	164.75				183.50				200				6.1				164.75				200				6.1				164.75
									237,570												153,695

2005 Equity Incentive Plan [Member]

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

SCHEDULE OF STOCK OPTIONS ACTIVITY

The following table summarizes stock option information for the 2005 Incentive Plan:

 SCHEDULE OF STOCK OPTIONS ACTIVITY

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2020			4,992			$	213.75				2.87			$	—
Cancelled/forfeited			(1,792	)		$	538.25				—			$	—
Exercised			—			$	—				—			$	—
Outstanding at December 31, 2021			3,200			$	32.00				1.80			$	—
Cancelled/forfeited			—			$	—				—			$	—
Exercised			—			$	—				—			$	—
Outstanding at December 31, 2022			3,200			$	32.00				0.79			$	—
Exercisable			3,200			$	32.00				0.79			$	—
Unvested			—			$	—				—			$	—

SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE

Further information regarding options outstanding under the 2005 Equity Incentive Plan as of December 31, 2022 is summarized below:

 SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE

												Weighted-Average												Weighted-Average
Range of Exercise Prices								Number of Options Outstanding				Remaining Life In Years				Exercise Price				Number of Options Exercisable				Remaining Life in Years				Exercise Price
$	32.00			$	32.00				3,200				0.8			$	32.00				3,200				0.8			$	32.00
									3,200												3,200

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ 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_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ 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
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
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

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_PlanNameAxis=abeo_TwoThousandFifteenEquityIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=abeo_TwoThousandFiveEquityIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: