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v3.21.2

Segment Information (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Information (Details) [Line Items] |  |  |  |
Concentration risk percentage | 98.00% | 98.00% | 98.00% | 98.00%
U.S. Dairy and Beef Industries [Member] |  |  |  |
Segment Information (Details) [Line Items] |  |  |  |
Concentration risk percentage | 88.00% | 90.00% | 88.00% | 89.00%
International Dairy and Beef [Member] |  |  |  |
Segment Information (Details) [Line Items] |  |  |  |
Concentration risk percentage | 12.00% | 10.00% | 12.00% | 11.00%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References No definition available. + Details
Name: | iccc_ConcentrationRiskThresholdPercentage
Namespace Prefix: | iccc_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | iccc_SegmentInformationDetailsLineItems
Namespace Prefix: | iccc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=iccc_SaleRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |