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v3.20.2

Summary of Significant Accounting Policies (Details 2) | Jun. 30, 2020 | Dec. 31, 2019
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Company B [Member] |  |
Revenue, Major Customer [Line Items] |  |
Accounts receivable due from significant customers | 29.00% | 48.00%
Company A [Member] |  |
Revenue, Major Customer [Line Items] |  |
Accounts receivable due from significant customers | 42.00% | 28.00%

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- Definition The percentage amounts represents to accounts receivable due from significant customers as of the balance sheet date. + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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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
Name: | us-gaap_StatementBusinessSegmentsAxis=iccc_CompanyAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |