Balance Sheet Components - Additional Information (Details) - USD ($) shares in Millions	3 Months Ended			6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Apr. 30, 2024	Jul. 31, 2025	Jul. 31, 2024	Jan. 31, 2025	Mar. 08, 2024	Dec. 31, 2018
Balance Sheet Components [Line Items]
Amortization expense for deferred sales commissions	$ 2,600,000	$ 2,400,000		$ 5,200,000	$ 4,800,000
Non-cancelable inventory purchase commitments	9,300,000			9,300,000		$ 6,200,000
Gain on note conversion					$ 980,000
Fair value of GTC preferred stock	3,300,000			3,300,000
Global Telecom Corporation
Balance Sheet Components [Line Items]
Non-cancelable inventory purchase commitments	0			0
Prepaid inventory deposit	0			0
Global Telecom Corporation \| Convertible Promissory Note
Balance Sheet Components [Line Items]
Investment in privately-held company								$ 1,300,000
Global Telecom Corporation \| Preferred Stock
Balance Sheet Components [Line Items]
Fair value of GTC preferred stock	$ 3,300,000			$ 3,300,000		$ 3,300,000
Global Telecom Corporation \| Preferred Stock \| Equity Financing
Balance Sheet Components [Line Items]
Carrying value of convertible promissory note							$ 2,300,000
Outstanding principal and unpaid interests converted to shares							8.2
Gain on note conversion			$ 1,000,000