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Stockholders' Equity - Summarizes of Stock Option Activities (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jul. 31, 2022	Jan. 31, 2022
Number of Shares
Shares, Beginning balance	1,325,000
Shares, Granted	95,000
Shares, Exercised	(48,000)
Shares, Ending balance	1,372,000
Shares, Vested and exercisable	1,151,000
Weighted Average Exercise Price Per Share
Weighted Average Exercise Price Per Share, Beginning balance	$ 8.93
Weighted Average Exercise Price Per Share, Granted	16.69
Weighted Average Exercise Price Per Share, Exercised	3.18
Weighted Average Exercise Price Per Share, Ending balance	9.67
Weighted Average Exercise Price Per Share, Vested and exercisable	$ 8.62
Aggregate Intrinsic Value
Aggregate Intrinsic Value	$ 4,473	$ 12,064
Aggregate Intrinsic Value, Vested and exercisable	$ 4,404

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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