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v3.22.2

Summary of Significant Accounting Policies (Details) - Schedule of estimated useful lives of property and equipment | 12 Months Ended
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Mar. 31, 2022
Computer equipment and software [Member] | Minimum [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 3 years
Computer equipment and software [Member] | Maximum [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 5 years
Internal use software [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 5 years
Digital cinema projection systems [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 10 years
Machinery and equipment [Member] | Minimum [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 3 years
Machinery and equipment [Member] | Maximum [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 10 years
Furniture and fixtures [Member] | Minimum [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 3 years
Furniture and fixtures [Member] | Maximum [Member] |
Public Utility, Property, Plant and Equipment [Line Items] |
Property and equipment estimated useful lives | 6 years

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
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
Name: | us-gaap_PublicUtilityPropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
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: |