XML 164 R35.htm IDEA: XBRL DOCUMENT v3.23.1

Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Share-based Payment Arrangement [Abstract]

Schedule of Share-Based Compensation Expense

The following table summarizes the components of share-based compensation expense for the years ended December 31, 2022 and 2021 ($ in thousands):

			Year Ended December 31,
			2022						2021
Research and development			$	776					$	760
General and administrative			1,860						1,245
Total share-based compensation expense			$	2,636					$	2,005

Total compensation cost related to unvested awards not yet recognized and the weighted-average periods over which the awards are expected to be recognized at December 31, 2022 were as follows ($ in thousands):

			Stock Options						Restricted Stock Units												Restricted Stock
Unrecognized compensation cost			$	1,241					$	113											$	570
Expected weighted-average period in years of compensation cost to be recognized			1.47						2.59												1.65

Schedule of Fair Value of Shares Vested and Weighted Average Estimated Fair Values of Shares Granted

Total fair value of shares vested and the weighted average estimated fair values of shares granted for the years ended December 31, 2022 and 2021 were as follows ($ in thousands):

						Stock Options
						Year Ended December 31,
						2022						2021
Total fair value of shares vested						$	1,045					$	757
Weighted average estimated fair value of shares granted						1.23						0.91

Schedule of Assumptions in Calculating Fair Values of Stock Options

The range of assumptions made in calculating the fair values of stock options was as follows:

			Stock Options
			Year Ended December 31,
			2022						2021
Expected term - minimum (in years)			6						6
Expected term - maximum (in years)			6						6
Expected volatility - minimum			76%						79%
Expected volatility - maximum			78%						84%
Weighted Average volatility			76%						81%
Expected dividend yield			—						—
Risk-free interest rate - minimum			1.62%						0.63%
Risk-free interest rate - maximum			2.90%						1.16%

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 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 http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

+ 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 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 http://asc.fasb.org/extlink&oid=120381028&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

Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted 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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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