Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.3.0.814
Commitments and Contingencies (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jan. 31, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Dec. 30, 2013
Commitments and Contingencies [Line Items]          
Research and Development Expense, Total   $ 3,495,000 $ 1,898,000    
Long Term Purchase Commitment Expire Date   Dec. 31, 2015      
Fraunhofer [Member]          
Commitments and Contingencies [Line Items]          
Research and Development Expense, Total   $ 1,850,000 800,000    
Royalty Guarantees, Commitments, Amount   4,000,000 3,000,000    
Contractual Obligation   3,000,000      
Commitments [Member]          
Commitments and Contingencies [Line Items]          
Research Services Agreements Value Fulfilling Commitment   2,700,000      
Termination of Research Services Agreement $ 1,500,000        
Research and Development Expense, Total $ 500,000 2,100,000      
Royalty Guarantees, Commitments, Amount   4,000,000      
License Costs     30,627    
Initial license fee     $ 20,000    
Contractual Obligation, Due in Next Twelve Months         $ 78,000
Contractual Obligation, Due in Second Year       $ 161,754  
Commitments [Member] | Minimum [Member]          
Commitments and Contingencies [Line Items]          
License Costs   25,000      
Commitments [Member] | Maximum [Member]          
Commitments and Contingencies [Line Items]          
License Costs   $ 150,000