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v3.21.1

Contingent Liabilities and Commitments (Details) | 3 Months Ended
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Mar. 31, 2021 USD ($)
Contingent Liabilities and Commitments (Textual) |
Capital expenditures committed | $ 181,000
Construct and equip commitment | 763,000
Purchase of inventory | 1,099,000
Other capital expenditures | 53,000
Other obligations | $ 312,000

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- Definition Capital expenditures committed. + References No definition available. + Details
Name: | iccc_CapitalExpendituresCommitted
Namespace Prefix: | iccc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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- Definition Production of inventory. + References No definition available. + Details
Name: | iccc_InventoryProduction
Namespace Prefix: | iccc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Other obligations. + References No definition available. + Details
Name: | iccc_OtherObligations
Namespace Prefix: | iccc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of capital expenditure attributable to discontinued operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant