	Number of Shares			Weighted Average Exercise Price		Weighted Average Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2018		1,658,112		$	8.76
Granted		715,108		$	11.39
Exercised		(32,325	)	$	4.37
Cancelled		(287,919	)	$	11.65
Outstanding as of December 31, 2019		2,052,976		$	9.33		7.70	$	235,669
Exercisable as of December 31, 2019		858,667		$	7.27		6.09	$	232,690
Vested and expected to vest as of December 31, 2019		1,865,715		$	9.16		7.58	$	235,533

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 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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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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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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