Royalty Obligation - Additional Information (Detail) - USD ($)		3 Months Ended	6 Months Ended	12 Months Ended
	Jan. 31, 2018	Aug. 03, 2024	Aug. 03, 2024	Jan. 31, 2024
Guaranteed Minimum Royalty Payments			$ 11,900,000
Royalty Obligation, Current		$ 1,575,000	1,575,000	$ 1,700,000
Royalty Obligation Non Current		1,663,000	1,663,000	2,093,000
Accrued Royalties, Current, Excess Royalty Payment Due		798,000	798,000	935,000
Honeywell Asset Purchase and License Agreement [Member]
Payment Term Period	10 years
Minimum Royalty Payment Obligation	$ 15,000,000
Royalty Obligation, Current		1,400,000	1,400,000
Royalty Obligation Non Current		1,200,000	1,200,000
Excess Royalty Payments		700,000	1,300,000
Accrued Royalties, Current, Excess Royalty Payment Due		1,400,000	1,400,000
Accrued Royalties Current Excess Royalty Payments Due		800,000	800,000
Royalty guarantee commitment amount due current		700,000	700,000	600,000
Royalty expense			200,000	$ 200,000
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Remainder of Fiscal Year [Member]
Royalty guarantee commitement amount		100,000	100,000
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due In Next Twelve Months [Member]
Royalty guarantee commitement amount		200,000	200,000
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Year Two [Member]
Royalty guarantee commitement amount		233,000	233,000
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Year Three [Member]
Royalty guarantee commitement amount		233,000	233,000
Honeywell Asset Purchase and License Agreement [Member] | Royalty Payments Due Year Four [Member]
Royalty guarantee commitement amount		$ 234,000	234,000
New Honeywell Asset Purchase and License Agreement [Member]
Excess Royalty Payments			$ 100,000