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Cash, Cash Equivalents, Short-Term and Long-Term Investments (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Cash, Cash Equivalents, Short-Term and Long-Term Investments [Abstract]        
Cash and cash equivalents $ 850,028us-gaap_CashAndCashEquivalentsAtCarryingValue $ 2,270,385us-gaap_CashAndCashEquivalentsAtCarryingValue $ 2,673,719us-gaap_CashAndCashEquivalentsAtCarryingValue $ 781,516us-gaap_CashAndCashEquivalentsAtCarryingValue
Short-term investments 2,489,000us-gaap_ShortTermInvestments 2,985,000us-gaap_ShortTermInvestments    
Subtotal 3,339,028us-gaap_CashCashEquivalentsAndShortTermInvestments 5,255,385us-gaap_CashCashEquivalentsAndShortTermInvestments    
Long-term investments 496,000us-gaap_LongTermInvestments 0us-gaap_LongTermInvestments    
Total 3,835,028iccc_CashAndCashEquivalentsShortTermAndLongTermInvestments 5,255,385iccc_CashAndCashEquivalentsShortTermAndLongTermInvestments    
Increase (Decrease) in cash and cash equivalents (1,420,357)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (403,334)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 1,892,203us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease  
(Decrease) Increase in short-term investments (496,000)iccc_IncreaseDecreaseInShortTermInvestments      
(Decrease) Increase in cash and cash equivalents and short term investments (1,916,357)iccc_IncreaseDecreaseInCashAndCashEquivalentsAndShortTermInvestments      
(Decrease) Increase in long term investments 496,000iccc_IncreaseDecreaseInLongTermInvestments      
(Decrease) Increase in cash and cash equivalents short term and long term investments $ (1,420,357)iccc_IncreaseDecreaseInCashAndCashEquivalentsShortTermAndLongtermInvestments