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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Weighted Average Valuation Assumptions Used for Options

Following are the weighted average valuation assumptions used for options:

		Three Months Ended March 31,
		2021				2020
Valuation assumptions
Expected dividend yield			—	%			—	%
Expected volatility			59	%			60	%
Expected term (years)			4.67				4.49
Risk-free interest rate			0.67	%			1.44	%

Summary of Classification of Stock Based Compensation Expense

The following table presents classification of stock-based compensation expense within the condensed consolidated statements of operations:

		Three Months Ended March 31,
		2021				2020
Cost of sales		$	657			$	253
Research and development			1,228				508
Sales and marketing			218				93
General and administrative			2,263				921
Total stock-based compensation		$	4,366			$	1,775

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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.

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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)
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-Name Accounting Standards Codification
-Topic 718
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-Section S99
-Paragraph 1
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- 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.

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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)
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