The following tables present details of stock-based compensation and acquisition-related costs included in each functional line item in the consolidated statements of operations above:

	Three Months Ended January 31,								Twelve Months Ended January 31,
		2022				2021				2022				2021
	(unaudited, in thousands)
Stock-based compensation:
Cost of revenue	$	416			$	347			$	1,489			$	1,328
Research and development		18,343				11,501				54,787				42,903
Selling, general and administrative		8,775				6,879				31,525				25,903
Total stock-based compensation	$	27,534			$	18,727			$	87,801			$	70,134

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