XML 76 R80.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 16 - Technology Development and Licensing Agreements (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 30, 2013
Jan. 18, 2013
Dec. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Note 16 - Technology Development and Licensing Agreements (Details) [Line Items]          
Contractual Obligation     $ 857,730us-gaap_ContractualObligation $ 1,711,934us-gaap_ContractualObligation  
Deferred Revenue         5,000,000us-gaap_DeferredRevenue
Deferred Revenue Amortization Period 10 years        
Hisun [Member]          
Note 16 - Technology Development and Licensing Agreements (Details) [Line Items]          
Contractual Obligation     209,000us-gaap_ContractualObligation
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= clsn_HisunMember
   
Proceeds from License Fees Received   $ 5,000,000us-gaap_ProceedsFromLicenseFeesReceived
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis
= clsn_HisunMember