Quarterly report pursuant to Section 13 or 15(d)

Commitments (Details Textual)

v3.7.0.1
Commitments (Details Textual)
1 Months Ended 9 Months Ended 12 Months Ended
Jul. 31, 2016
Jun. 30, 2015
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Aug. 31, 2014
USD ($)
Aug. 31, 2013
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2016
EUR (€)
Sep. 30, 2014
USD ($)
Aug. 14, 2002
USD ($)
Other Commitments [Line Items]                    
Rent expense on lease agreements     $ 178,000 $ 176,000            
Milestone payment         $ 100,000          
Equity Method Investments     66,695       $ 66,695      
Joint venture agreement [Member]                    
Other Commitments [Line Items]                    
Equity Method Investments Committed Capital | €               € 120,000    
Equity Method Investment, Ownership Percentage             30.00% 30.00%    
Equity Method Investments             $ 67,000      
Director and Officer [Member] | Royalty Agreements [Member]                    
Other Commitments [Line Items]                    
Royalty percentage of gross receipts over base amount                   5.00%
Gross receipt base amount for royalty calculation                   $ 500,000
Royalty expense     0 28,000            
Licensing Agreements [Member]                    
Other Commitments [Line Items]                    
License costs         $ 200,000 $ 25,000        
Annual license fee                 $ 20,000  
Patent cost reimbursement     12,000 11,000            
401(k) Retirement Savings Plan [Member]                    
Other Commitments [Line Items]                    
Employer contributions     $ 46,000 $ 46,000            
Employee vesting percentage     100.00%              
Annual non-elective safe harbor employer contribution     3.00%              
Agreements With Contract Manufacturing Organizations And Consultants [Member]                    
Other Commitments [Line Items]                    
Purchase obligations     $ 327,000              
Agreements To Pay Time And Materials To Contractors [Member]                    
Other Commitments [Line Items]                    
Purchase obligations     $ 27,000              
Three buildings and facilities used in its operations [Member]                    
Other Commitments [Line Items]                    
Lease agreement, contract term   5 years                
Lease agreement, renewal term   5 years                
Facilities used for executive offices and laboratories [Member]                    
Other Commitments [Line Items]                    
Lease agreement, renewal term 2 years                  
Undeveloped land in Baja, Mexico                    
Other Commitments [Line Items]                    
Lease agreement, contract term   3 years                
Rent prepaid in June 2015   $ 74,606