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Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

The activity for the Company’s 2009 Stock Option Plan, 2014 Plan, and 2015 Plan, for the three months ended March 31, 2021, is summarized as follows:

		Number of Shares				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Life (in years)				Aggregate Intrinsic Value ($000)
Outstanding — December 31, 2020			830,343			$	21.52				7.71			$	96
Granted			545,450			$	7.57
Forfeited/Cancelled			(4,187	)		$	8.48
Outstanding — March 31, 2021			1,371,606			$	16.01				8.33			$	355
Exercisable — March 31, 2021			500,625			$	29.27				6.72			$	37
Vested or expected to vest — March 31, 2021			1,371,606			$	16.01				8.33			$	355

Schedule of Restricted Stock Units ("RSU") Activity

Restricted stock unit (“RSU”) activity under the 2014 Plan and 2015 Plan for the three months ended March 31, 2021, is summarized as follows:

		Number of Shares				Weighted Average Grant Date Fair Value Per Share
Non-vested at December 31, 2020			29,087			$	9.52
Granted			73,675			$	7.55
Vested			(5,788	)		$	10.68
Non-vested at March 31, 2021			96,974			$	7.95

Stock-Based Compensation Expense Related to Stock Options

Stock-based compensation expense related to stock options is included in the following line items in the accompanying unaudited condensed consolidated statements of operations (in thousands):

		Three Months Ended March 31,
		2021				2020
Research and development		$	126			$	136
Selling, general and administrative			272				274
Total		$	398			$	410

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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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.

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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.

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