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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Activity for Stock Option Plans

A summary of activity for the Company’s stock option plans for the three months ended March 31, 2020 is as follows:

		Number Outstanding				Average Exercise Price per Share				Weighted Average Remaining Contractual Term (Years)				Average Intrinsic Value
Balance as of December 31, 2019			562,102			$	5.60				5.86			$	572,869
Granted			—				—
Cancelled or Expired			—				—
Exercised			—				—
Balance as of March 31, 2020			562,102			$	5.60				5.56			$	—
Vested or expected to vest as of     March 31, 2020			562,102			$	5.60				5.56			$	—
Exercisable as of March 31, 2020			562,102			$	5.60				5.56			$	—

Summary Information about Options Outstanding

The following table summarizes information about options outstanding as of March 31, 2020:

		Options Outstanding												Options Exercisable
Range of Exercise Prices		Number Outstanding				Weighted Average Remaining Contractual Life (Years)				Weighted Average Exercise Price				Number Exercisable				Weighted Average Exercise Price
$4.36 - $7.20			465,310				6.02			$	4.45				465,310			$	4.45
$7.50 - $11.30			75,198				3.74				9.89				75,198				9.89
$12.00 - $19.70			17,244				2.06				13.60				17,244				13.60
$21.70 - $24.20			4,350				1.43				23.27				4,350				23.27
$4.36 - $24.20			562,102				5.68				5.60				562,102

Summary of RSU Activity

The following is a summary of RSU activity for the three months ended March 31, 2020:

		Number of RSUs				Weighted Average Fair Value
Unvested as of December 31, 2019			1,148,110			$	4.43
Granted			136,396				2.73
Vested			(177,101	)			4.02
Forfeited			(64,439	)			4.65
Unvested as of March 31, 2020			1,042,966			$	4.26
Shares vested but not released			230,334			$	5.16

Stock-Based Compensation Expense Related to Stock Options and RSUs

The following table illustrates all employee stock-based compensation expense related to stock options and RSUs included in the condensed consolidated statements of operations for the three months ended March 31, 2020 and 2019 (in thousands):

		Three Months Ended
		March 31,
		2020				2019
Cost of revenue		$	40			$	29
Research and development			174				114
Selling and marketing			126				180
General and administrative			300				364
Total		$	640			$	687

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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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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 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.

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