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STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Shares Available for Future Grant

Shares available for future grant under the Company’s 2016 Plan consisted of the following:

			As of
			September 30, 2021						December 31, 2020
Shares available for future grant			1,546,715						650,170

Summary of Stock Options Activity

The following table summarizes the stock option activities under the Company’s 2013 and 2016 Plans:

			Options Outstanding
			Number of Shares						Weighted-Average Exercise Price						Weighted-Average Remaining Contractual Term (Years)						Aggregate Intrinsic Value ($'000s)
BALANCE—December 31, 2020			7,073,584						$	0.85					7.90						$	13,348
Granted			—						—
Exercised			(832,329)						0.39
Canceled			(277,212)						0.71
BALANCE—September 30, 2021			5,964,043						$	0.92					7.37						$	43,989
Options vested and exercisable—September 30, 2021			3,312,726						$	0.49					6.42						$	25,871

Stock Options Valuations Assumptions

The following table summarizes the valuation assumptions:

Stock Options Valuation Assumptions			Nine Months Ended September 30,
			2020
Fair value of common stock			$0.60
Expected volatility			33.9% - 38.2%
Expected term (in years)			5.4 - 6.1
Risk-free interest rate			0.3% - 1.5%
Expected dividend yield			0%

Summary of Restricted Stock Units Activity

The following table summarizes the restricted stock units activities under the Company’s 2013 and 2016 Plans:

			Restricted Stock Units
			Number of Shares						Weighted-Average Grant Date Fair Value
Unvested—December 31, 2020			843,095						$	2.25
Granted			3,379,467						5.12
Vested			(38,533)						0.56
Forfeited			(248,800)						4.37
Unvested—September 30, 2021			3,935,229						$	4.60

Stock-Based Compensation Related to Stock-Based Awards to Employees

The following table presents the amount of stock-based compensation related to stock-based awards to employees on the Company’s condensed consolidated statements of loss and comprehensive loss (in thousands):

			Three Months Ended September 30,												Nine Months Ended September 30,
			2021						2020						2021						2020
Research and development			$	225					$	68					$	645					$	158
Sales and marketing			38						21						114						66
General and administrative			170						22						385						57
Total stock-based compensation			$	433					$	111					$	1,144					$	281

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