Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v3.10.0.1
Commitments and Contingencies (Details Textual)
€ in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Nov. 18, 2016
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
EUR (€)
Jan. 31, 2017
USD ($)
Jan. 31, 2017
EUR (€)
Commitments and Contingencies (Textual)                
Rent expense   $ 20 $ 21 $ 59 $ 46      
Collaborative research             $ 12 € 10
Lease expiration date       Dec. 31, 2019        
Percentage of matching contribution of employer       100.00%        
Contribution plan, description       The Company's matching contribution is equal to 100 percent on the first four percent of a participant's compensation which is deferred as an elective deferral.        
Matching contribution, amount   10 $ 8 $ 27 $ 17      
Renewal term of agreement, description       We have two options to renew our lease for an additional three years each.        
Term of lease       5 years        
Product liability insurance, description       The Company currently maintains product liability insurance of $5 million per-occurrence and a $10 million annual aggregate coverage.        
Supply Agreement [Member]                
Commitments and Contingencies (Textual)                
Expiration date of agreement Dec. 31, 2018              
Future minimum payments   $ 36   $ 36   € 30