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

	Three Months Ended July 31,								Six Months Ended July 31,
	2022				2021				2022				2021
	(unaudited, in thousands)
Stock-based compensation:
Cost of revenue	$	362			$	359			$	711			$	682
Research and development		17,883				11,525				35,034				22,719
Selling, general and administrative		8,664				7,488				18,205				14,813
Total stock-based compensation	$	26,909			$	19,372			$	53,950			$	38,214

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