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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Share Available for Grant Under the 2019 Plan

The following table summarizes the activity in the shares available for grant under the Plans during the six months ended June 30, 2021 (in thousands, except exercise price):

						Options outstanding
										Weighted
		Shares								Average
		Available				Number of				Exercise
		for Grant				Shares				Prices
Balance as of January 1, 2021			81				159			$	10.82
RSUs granted			(10	)			—				—
Balance as of March 31, 2021			71				159			$	10.82
RSUs granted			(59	)			—				—
Balance as of June 30, 2021			12				159			$	10.82

Summary of RSU's Activity Under Plans

A summary of RSUs activity under the Plans is presented below (in thousands, except for fair value):

						Weighted
						Average
		Number of				Grant-Date
		Shares				Fair Value
Non-vested shares as of January 1, 2021			65			$	3.48
Granted			10			$	3.25
Vested			(17	)		$	3.78
Non-vested shares as of March 31, 2021			58			$	3.35
Granted			59			$	6.70
Vested			(2	)		$	3.11
Non-vested shares as of June 30, 2021			115			$	5.08

Summary of Significant Ranges of Outstanding and Exercisable Options

The following table summarizes significant ranges of outstanding and exercisable options as of June 30, 2021 (in thousands, except contractual life and exercise price):

		Options Outstanding												Options Exercisable
						Weighted
						Average
						Remaining				Weighted								Weighted
						Contractual				Average								Average				Aggregate
		Number				Life				Exercise				Number				Exercise				Intrinsic
Range of Exercise Price		Outstanding				(in Years)				Price				Exercisable				Price				value
$1.57 - $14.99			143				7.77			$	2.62				90			$	2.84			$	521
$15.00 - $25.59			8				2.24			$	15.00				8			$	15.00			$	—
$25.60 - $143.99			2				2.86			$	41.81				2			$	41.81			$	—
$144.00 - $409.99			5				5.15			$	144.00				5			$	144.00			$	—
$410.00 - $924.00			1				3.69			$	430.64				1			$	430.64			$	—
$1.57 - $924.00			159				7.30			$	10.82				106			$	15.09			$	521

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- References

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

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

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- 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
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-Name Accounting Standards Codification
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