XML 71 R59.htm IDEA: XBRL DOCUMENT
v3.21.1

Bank Debt (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2030 | Dec. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Bank Debt (Textual) |  |  |  |  |  |
Outstanding amount of loan |  |  |  |  | $ 1,000,000 |
Debt issue costs |  |  |  |  | 53,136 |
Gorham Savings Bank [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Debt financing |  |  |  | $ 8,600,000 |  |
Line of credit |  |  |  | 1,000,000 |  |
Escrow account |  |  |  | $ 1,400,000 |  |
Gorham Savings Bank [Member] | Loan #6 [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Fixed interest rate |  |  |  | 3.50% |  |
Debt financing |  |  |  | $ 5,100,000 |  |
Gorham Savings Bank [Member] | Loan #6 [Member] | Forecast [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Interest payments, term | 10 years |  |  |  |  |
Loan amortization, term | 25 years |  |  |  |  |
Balloon principal payment | $ 3,145,888 |  |  |  |  |
Gorham Savings Bank [Member] | Loans #7 [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Loan amortization, term |  |  |  | 7 years |  |
Variable interest rate with LIBOR, description |  |  |  | The line of credit is available as needed through March 10, 2022. Interest on borrowings against the line of credit is variable at the rate of the one-month LIBOR plus 2.15% per annum. There was no outstanding balance under this line of credit as of December 31, 2020. |  |
Fixed interest rate |  |  |  | 3.50% |  |
Debt issue costs |  |  |  | $ 39,789 |  |
Debt financing |  |  |  | $ 3,500,000 |  |
Gorham Savings Bank [Member] | Loans #10 [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Loan amortization, term |  | 7 years |  |  |  |
Fixed interest rate |  | 3.50% |  |  |  |
Debt issue costs |  | $ 13,347 |  |  |  |
Debt financing |  | 1,500,000 |  |  | 1,500,000 |
Paycheck Protection Program [Member] | Loan #8 [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Proceeds from issuance of loan |  |  | $ 937,700 |  |  |
Variable interest rate with LIBOR, description |  |  | We used the proceeds only for eligible payroll costs incurred and paid during the 24-week period beginning April 13, 2020. |  |  |
Mortgage Banking [Member] | Loan #6 [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Proceeds from issuance of loan |  |  |  |  | $ 624,167 |
Loan to value ratio |  |  |  |  | 80.00% |
Debt financing |  | $ 1,400,000 |  |  | $ 1,400,000 |
Maine Technology Institute [Member] | Loan #9 [Member] |  |  |  |  |  |
Bank Debt (Textual) |  |  |  |  |  |
Proceeds from issuance of loan |  |  | $ 500,000 |  |  |
Variable interest rate with LIBOR, description |  |  | The first 27 months of this loan are interest-free with no interest accrual or required principal payments. Principal and interest payments at 5% per annum are due quarterly over the final five years of the loan, beginning during the fourth quarter of 2022 and continuing through the third quarter of 2027. The loan may be prepaid without penalty at any time. |  |  |
Fixed interest rate |  |  | 5.00% |  |  |

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

X
- Definition The ratio of loan to value. + References No definition available. + Details
Name: | iccc_LoanToValueRatio
Namespace Prefix: | iccc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of payment to be received at final maturity date for mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Footnote 5 -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 5)) -URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
Name: | srt_MortgageLoansOnRealEstatePeriodicPaymentTermsBalloonPaymentToBeReceived
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentPaymentTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsCurrentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_EscrowDeposit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of the amount outstanding under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
Name: | us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period. + References No definition available. + Details
Name: | us-gaap_ShorttermDebtAverageOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=iccc_GorhamSavingsBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iccc_Loan6Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iccc_Loan7Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iccc_Loan10Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=iccc_PaychecProtectionProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iccc_Loan8Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_MortgageBankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iccc_LoanSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=iccc_MaineTechnologyInstituteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=iccc_Loan9Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |