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Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based Compensation

The Company included the following amounts for share-based compensation awards in the unaudited condensed consolidated statements of operations (in thousands):

	Three Months Ended March 31,
	2019				2018
Cost of revenues	$	123			$	54
Research and development	175				215
Sales and marketing	214				213
General and administrative	545				398
Total	$	1,057			$	880

Summary of Stock Option Activity

The following table summarizes the Company’s stock option activity:

Outstanding — December 31, 2018	8,796,212
Granted	489,882
Exercised	(312,724	)
Canceled	(536,599	)
Outstanding — March 31, 2019	8,436,771
Exercisable — March 31, 2019	2,411,388

Summary of Restricted Stock Unit Activity

The following table summarizes the Company’s restricted stock unit (“RSU”) activity:

Non-vested — December 31, 2018	454,382
Granted	238,617
Vested	(221,537	)
Forfeited	(1,250	)
Non-vested — March 31, 2019	470,212

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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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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