Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v3.7.0.1
Commitments and Contingencies (Details Textual)
3 Months Ended 6 Months Ended
Apr. 30, 2017
USD ($)
Nov. 18, 2016
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
EUR (€)
Jan. 31, 2017
USD ($)
Jan. 31, 2017
EUR (€)
Commitments and Contingencies (Textual)                  
Rent expense     $ 22,000 $ 23,000 $ 43,000 $ 45,000      
Minimum purchase obligations under the agreement, 2016     525,000   $ 525,000   € 400,000 $ 11,000 € 10,000
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     $ 4,000 $ 9,000 $ 9,000 $ 16,000      
Renewal term of agreement, description         The Company has two options to renew our lease for an additional three years each.        
Term of lease         5 years        
Product liability insurance         The Company currently maintains product liability insurance of $5 million per-occurrence and a $10 million annual aggregate coverage.        
Expected research cost $ 32,000                
Supply Agreement [Member]                  
Commitments and Contingencies (Textual)                  
Expiration date of agreement   Dec. 31, 2018