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Segment Information (Details)	12 Months Ended
	Mar. 31, 2022
Segment Information (Details) [Line Items]
Number of reportable segments	2
Phase I Deployment [Member]
Segment Information (Details) [Line Items]
Number of systems installed	696
Phase II Deployment [Member]
Segment Information (Details) [Line Items]
Number of systems installed	2,147

X

- Definition

Number of systems installed.

+ References

No definition available.

+ Details

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Namespace Prefix:	cidm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	cidm_
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Balance Type:	na
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X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599

+ Details

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- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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