Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details Textual)

v3.6.0.2
Related Party Transactions (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Nov. 18, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2012
Aug. 07, 2015
Aug. 31, 2012
Nov. 30, 2011
Related Party Transaction [Line Items]                
Common Stock, Shares, Issued   117,254,196 90,908,234          
Common Stock, Value, Issued   $ 117,000 $ 91,000          
Common Stock, Par or Stated Value Per Share   $ 0.001 $ 0.001          
Proceeds from Issuance of Common Stock   $ 25,000,000 $ 46,000,000 $ 20,668,000        
Series A Warrant [Member]                
Related Party Transaction [Line Items]                
Class of Warrant or Right, Exercisable period 4 years              
Cedars-Sinai Medical Center [Member]                
Related Party Transaction [Line Items]                
Revenue Recognition Milestone Method Milestone Payments   $ 350,000            
Scott Tarriff [Member]                
Related Party Transaction [Line Items]                
Stock Issued During Period, Shares, Issued for Services 300,000              
Proceeds from Issuance of Common Stock $ 300,000              
Scott Tarriff [Member] | Series A Warrant [Member]                
Related Party Transaction [Line Items]                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 300,000              
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 1.43              
Scott Tarriff [Member] | Series B Warrant [Member]                
Related Party Transaction [Line Items]                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 300,000              
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 1.72              
Class of Warrant or Right, Date to which Warrants or Rights Exercisable Dec. 31, 2017              
Intrexon [Member]                
Related Party Transaction [Line Items]                
Common Stock, Shares, Issued           937,500 3,552,210 3,123,558
Common Stock, Value, Issued           $ 3,000,000 $ 7,800,000 $ 1,700,000
Common Stock, Par or Stated Value Per Share             $ 2.20 $ 0.54
Costs and Expenses, Related Party         $ 2,900,000      
Intrexon [Member] | Research and Development Expense [Member]                
Related Party Transaction [Line Items]                
Costs and Expenses, Related Party         $ 2,500,000