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v3.23.1

SIGNIFICANT ACCOUNTING POLICIES (Schedule of Estimated Useful Lives at Annual Rates) (Details) | 12 Months Ended
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Dec. 31, 2022
Lab equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives, annual rate | 16.00% |
Lab equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives, annual rate | 25.00% |
Computers and peripheral equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives, annual rate | 33.00% |
Office furniture [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives, annual rate | 6.00% |
SECaaS equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives, annual rate | 16.00% | [1]
Leasehold improvements [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful lives | Over the shorter of the term of the lease or the useful life of the asset |
[1] | SECaaS equipment – the equipment used for SECaaS revenues

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- Definition Represents the rate at which the assets is depreciated anually. + References No definition available. + Details
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Namespace Prefix: | allt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126905813&loc=d3e1205-110223 + Details
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Balance Type: | na
Period Type: | duration

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- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |