Represent recorded liability related to earned and Unpaid sick time.

No definition available.

Name:	iccc_DeferredCompensationArrangementWithIndividualRecordedLiabilityEarnedAndUnpaidSickTime
Namespace Prefix:	iccc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents retention and performance bonus related to the deferred compensation arrangement.

+ References

No definition available.

+ Details

Name:	iccc_DeferredCompensationArrangementWithIndividualRecordedLiabilityRetentionAndPerformanceBonus
Namespace Prefix:	iccc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the maximum amount of potential additional annual cash bonuses that can be earned under an employment agreement.

+ References

No definition available.

+ Details

Name:	iccc_EmploymentAgreementMaximumAmountOfPotentialAdditionalAnnualCashBonuses
Namespace Prefix:	iccc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the amount of a one-time signing bonus provided under an employment agreement.

+ References

No definition available.

+ Details

Name:	iccc_EmploymentAgreementOnetimeSigningBonus
Namespace Prefix:	iccc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of commitment made to pay deferred cash remuneration.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

+ Details

Name:	us-gaap_GuaranteeObligationsCurrentCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

+ Details

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense for salary and wage arising from service rendered by officer. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_OfficersCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_OtherCommitmentsAxis=iccc_FirstDefenseProductLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=iccc_PurchaseOfInventoryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=iccc_InformationTechnologyServiceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=iccc_ColdStorageServiceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=iccc_OtherObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=iccc_PresidentAndCeoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis=us-gaap_DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_IndemnificationGuaranteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_MarketValueGuaranteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 10 - Commitments and Contingencies (Details Textual) - USD ($)	Oct. 01, 2025	Sep. 29, 2025	Dec. 31, 2025	Jan. 01, 2025	Dec. 31, 2024
First Defense, Product Line [Member]
Other Commitment			$ 46,000
Purchase of Inventory [Member]
Other Commitment			1,326,000
Information Technology Service [Member]
Other Commitment			269,000
Cold Storage Service [Member]
Other Commitment			312,000
Other Obligations [Member]
Other Commitment			527,000
President and CEO [Member]
Salary and Wage, Officer, Excluding Cost of Good and Service Sold		$ 450,000
Employment Agreement, Maximum Amount of Potential Additional Annual Cash Bonuses		$ 400,000
Employment Agreement, One-Time Signing Bonus	$ 100,000
President and CEO [Member] \| Deferred Compensation, Excluding Share-Based Payments and Retirement Benefits [Member]
Deferred Compensation Arrangement with Individual, Recorde Liability, Earned and Unpaid Sick Time			239,369		$ 230,162
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount				$ 300,000
Deferred Compensation Arrangement with Individual, Recorded Liability, Retention and Performance Bonus			100,000
Indemnification Agreement [Member]
Guarantor Obligations, Current Carrying Value			0		0
Fair Value Guarantee [Member]
Guarantor Obligations, Current Carrying Value			0		$ 0
Guarantor Obligations, Maximum Exposure, Undiscounted			$ 0