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SHAREHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement, Noncash Expense [Abstract]

Summary of Stock Options and RSUs Granted

The following table summarizes the activities for the Company’s stock options for the six months ended June 30, 2019:

		Six months ended June 30, 2019
		Number of options				Weighted average exercise price				Weighted average remaining contractual term (in years)				Aggregate intrinsic value
Outstanding at beginning of year			6,751,606			$	3.99				3.47			$	7,937
Granted			228,822				3.57
Exercised			(138,985	)			1.84
Forfeited or expired			(290,082	)			5.14
Outstanding at end of the period			6,551,361			$	3.99				3.19			$	4,172
Options exercisable at end of the period			4,542,841			$	4.52				2.60			$	3,237
Vested and expected to vest			6,246,178			$	4.03				3.11			$	4,078

The following table summarizes the activities for the Company’s RSUs for the six months ended June 30, 2019:

		Number of RSUs				Aggregate intrinsic value
Unvested at beginning of year			376,811			$	1,424
Granted			20,000
Vested			(1,713	)
Forfeited			(15,959	)
Unvested at end of period			379,139			$	1,111
Vested and expected to vest			284,615			$	834

Schedule of Equity-Based Compensation Expense

The following table sets forth the total share-based compensation expenses included in the consolidated statements of operations for the six months ended June 30, 2019 and 2018:

		Six months ended June 30,
		2018				2019
Cost of revenues			18				31
Research and development			127				201
Selling and marketing			286				382
General and administrative			601				558
Total share-based compensation expense		$	1,032			$	1,172

X

- Definition

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

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)
-URI http://asc.fasb.org/extlink&oid=116856206&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
-Subparagraph (d)
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