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Stockholders' Equity (Details Textual) (USD $)	12 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2000	Dec. 31, 2011	Sep. 19, 2011	Aug. 09, 2011	Jun. 30, 2001	Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from Stock Options Exercised	$ 3,149us-gaap_ProceedsFromStockOptionsExercised	$ 21,750us-gaap_ProceedsFromStockOptionsExercised	$ 50,800us-gaap_ProceedsFromStockOptionsExercised
Outstanding weighted average exercise price	$ 3.42us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	$ 3.30us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	$ 3.13us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice		$ 3.19us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Stock options granted	25,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	26,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Stock option plans exercise price minimum	$ 4.25us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	$ 4.15us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	$ 5.61us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
Stock option plans exercise price maximum	$ 4.80us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	$ 4.69us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	$ 6.25us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
Options exercises intrinsic value	1,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	8,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	25,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share based compensation, weighted average grants per share	$ 2.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	$ 2.23us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	$ 2.86us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Unrecognized stock-based compensation related to non-vested stock options	95,560us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Outstanding non-vested stock options	26,778us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Weighted average price of shares purchased	$ 70.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased
Equity method investment ownership percentage	20.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
Percentage of outstanding common stock	50.00%iccc_PercentageOfOutstandingCommonstock
Share Based Compensation Arrangement By Share Based Payment Award Option Termination Weighted Average Exercise Price	$ 0.005iccc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionTerminationWeightedAverageExercisePrice
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise of stock options, Shares	1,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_EmployeeStockOptionMember	7,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_EmployeeStockOptionMember	15,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_EmployeeStockOptionMember
Proceeds from Stock Options Exercised	$ 3,149us-gaap_ProceedsFromStockOptionsExercised / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_EmployeeStockOptionMember	$ 21,750us-gaap_ProceedsFromStockOptionsExercised / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_EmployeeStockOptionMember	$ 50,800us-gaap_ProceedsFromStockOptionsExercised / us-gaap_OptionIndexedToIssuersEquityTypeAxis = us-gaap_EmployeeStockOptionMember
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding weighted average exercise price	$ 7.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_RangeAxis = us-gaap_MaximumMember
Equity method investment ownership percentage						18.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MaximumMember	20.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MaximumMember
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding weighted average exercise price	$ 1.70us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_RangeAxis = us-gaap_MinimumMember
Equity method investment ownership percentage						15.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MinimumMember	18.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MinimumMember
2000 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option incentive plan description				No less than 85% of fair market value on the date of grant in the case of non-qualified stock options.
Common stock, capital shares reserved for future issuance				250,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember				500,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember
Exercise of stock options, Shares	0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember	(6,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember	(15,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember
Options outstanding weighted average remaining contractual term	4 years 9 months
Options exercisable weighted average remaining contractual term	4 years
Stock options granted	0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember	0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember	0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandMember
2010 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option incentive plan description				No less than 85% of fair market value on the date of grant in the case of non-qualified stock options.
Common stock, capital shares reserved for future issuance	253,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember								300,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember
Exercise of stock options, Shares	(1,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember	(1,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember	0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember
Additional common stock capita shares reserved for future issuance	202,500iccc_AdditionalCommonStockCapitaSharesReservedForFutureIssuance / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember
Options outstanding weighted average remaining contractual term	4 years 9 months
Options exercisable weighted average remaining contractual term	4 years
Stock options granted	25,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember	26,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember	2,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = iccc_PlanTwoThoushandAndTenMember

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Additional aggregate number of common shares reserved for future issuance.Additional aggregate number of common shares reserved for future issuance.

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Description of the Incentive plan under Stock option,the description generally includes the basis for releasing shares and how dividends on allocated and unallocated shares are used.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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