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Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Stock Plan Activities

Related activity under the Incentive Plan is as follows:

			Awards Available						Options Outstanding						Weighted Average Exercise Price
Balance December 31, 2021			3,651						28,685						$	7.90
Plan amendment			8,000						—						—
Restricted stock unit awards granted			(663)						—						—
Restricted stock unit awards cancelled			52						—						—
Stock option awards granted			(776)						776						11.10
Stock option awards exercised			—						(1,086)						5.72
Stock option awards cancelled			472						(472)						10.67
Balance June 30, 2022			10,736						27,903						$	8.03

Related activity under the Inducement Plan is as follows:

			Awards Available						Options Outstanding						Weighted Average Exercise Price
Balance December 31, 2021			900						4,408						$	6.20
Restricted stock unit awards granted			(203)						—						—
Restricted stock unit awards cancelled			2						—						—
Stock option awards granted			(697)						697						14.75
Stock option awards exercised			—						(55)						3.12
Stock option awards cancelled			130						(130)						8.18
Balance June 30, 2022			132						4,920						$	7.43

Weighted Average Assumptions for Stock Option Awards Granted to Employees and Directors Under the Plans

Weighted Average Assumptions for Stock Option Awards Granted to

Employees and Directors under the Plans

			2022						2021
Expected Life in Years			5.5						5.5
Expected Volatility			84.1		%				84.2		%
Expected Dividend Yield			0.0		%				0.0		%
Risk-Free Interest Rate			2.5		%				0.8		%

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, 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 (e)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-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 (d)
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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

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