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Collaborative Agreements (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Contract Research And Development [Member]    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]    
Other Research and Development Expense $ 10.0 $ 12.9
Abbott Products, Inc. [Member] | Collaborative Arrangement [Member]    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]    
Collaborative Arrangement, Termination Date Mar. 29, 2012  
Collaborative Arrangement, Rights and Obligations All obligations under the prior license agreement have been completed except that Lipocine will owe Abbott a perpetual 1% royalty on net sales.  
Collaborative Arrangement, Royalties, Maximum Amount $ 1.0  
Collaborative Arrangement, Royalties, Percentage of Reduction 50.00%