XML 90 R70.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Segment Information - Narrative (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2025 USD ($) ft² | Oct. 31, 2024 USD ($) | Jan. 31, 2024 USD ($) | Jan. 31, 2025 USD ($) ft² | Jan. 31, 2024 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Consolidated total | $ 0 |  |  | $ 280,000 |
Chandler, Arizona |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Area of property (in sq ft) | ft² | 146,000 |  |  | 146,000 |
UHP | Satellite and Space Communications |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Goodwill, impairment loss |  | $ 79,555,000 |  |  |
Unallocated |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Unallocated amounts | $ 1,970,000 |  | $ 1,271,000 | $ 5,993,000 | $ 4,190,000
Consolidated total |  |  | 978,000 |  | 2,348,000
Operating Segments | Satellite and Space Communications |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Unallocated amounts | $ 1,430,000 |  | 1,454,000 | 15,170,000 | 2,244,000
Consolidated total |  |  | $ 978,000 | 280,000 | $ 2,348,000
Operating Segments | Satellite and Space Communications | Cost of sales |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Unallocated amounts |  |  |  | 11,369,000 |
Operating Segments | Satellite and Space Communications | Selling, general and administrative expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Unallocated amounts |  |  |  | $ 3,801,000 |

X
- Definition Strategic Emerging Technology Costs + References No definition available. + Details
Name: | cmtl_StrategicEmergingTechnologyCosts
Namespace Prefix: | cmtl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_BusinessExitCosts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482598/350-20-45-2 + Details
Name: | us-gaap_GoodwillImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=cmtl_ChandlerArizonaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cmtl_UHPNetworksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cmtl_SatelliteAndSpaceCommunicationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |