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Royalty Obligation - Additional Information (Detail) - USD ($) |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2018 | Jul. 31, 2025 | Jul. 31, 2025 | Jan. 31, 2025
Guaranteed Minimum Royalty Payments |  |  | $ 13,500,000 |
Royalty Obligation, Current |  | $ 1,218,000 | 1,218,000 | $ 1,358,000
Royalty Obligation Non Current |  | 858,000 | 858,000 | 1,106,000
Accrued Royalties, Current, Excess Royalty Payment Due |  | 556,000 | 556,000 | $ 691,000
Honeywell Asset Purchase and License Agreement [Member] |  |  |  |
Payment Term Period | 10 years |  |  |
Minimum Royalty Payment Obligation | $ 15,000,000 |  |  |
Royalty Obligation, Current |  | 1,000,000 | 1,000,000 |
Royalty Obligation Non Current |  | 500,000 | 500,000 |
Excess Royalty Payments |  | 600,000 | 1,100,000 |
Accrued Royalties, Current, Excess Royalty Payment Due |  | 1,200,000 | 1,200,000 |
Accrued Royalties Current Excess Royalty Payments Due |  | 1,100,000 | 1,100,000 |
Royalty guarantee commitment amount due current |  | 500,000 | 500,000 |
Royalty expense |  |  | 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 |

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- Definition Accrued royalties in excess of guaranteed minimum royalty obligation- amount due within one year. + References No definition available. + Details
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- Definition Accrued royalties current excess royalty payments due. + References No definition available. + Details
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- Definition Amount of royalty expense paid in excess of guaranteed minimum payments. + References No definition available. + Details
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- Definition Total Amount paid to date on the Guaranteed Minimum Royalty Obligation. + References No definition available. + Details
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- Definition Minimum Royalty Payment Obligation. + References No definition available. + Details
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- Definition Royalty guarantee commitment amount due current. + References No definition available. + Details
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- Definition Carrying amount of the short term portion of the guaranteed minimum royalty obligations related to Honeywell Agreements. + References No definition available. + Details
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- Definition Carrying amount of the long term portions of the guaranteed minimum royalty obligation related to Honeywell Agreements. + References No definition available. + Details
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- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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- Definition The amount the entity has committed to make for future royalty guarantees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 440 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477866/928-440-50-1 + Details
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