Annual report pursuant to Section 13 and 15(d)

Debt (Narrative) (Details)

v3.19.3.a.u2
Debt (Narrative) (Details)
 12 Months Ended
Mar. 05, 2018
USD ($)
Sep. 30, 2019
USD ($)
item
Sep. 30, 2018
USD ($)
SWK Credit Agreement [Member]      
Line of Credit Facility [Line Items]      
Loan amount $ 10,000,000    
Repayment percentage   176.50%  
Payment terms, product revenue threshold   $ 10,000,000  
Percentage of outstanding shares acquired which constitutes a change of control   50.00%  
Period to replace key persons   90 days  
Required minimum liquid assets   $ 1,000,000  
Unamortized discounts 11,300,000 $ 4,590,974 $ 8,475,874
Pledge percentage   65.00%  
Net proceeds after fees and expenses 9,900,000    
Deferred loan issuance costs $ 267,000    
SWK Credit Agreement [Member] | Product Revenue Under $10 Million [Member]      
Line of Credit Facility [Line Items]      
Payment terms, period of revenue calculation   12 months  
Payment terms, payment percentage   32.50%  
SWK Credit Agreement [Member] | Product Revenue Over $10 Million [Member]      
Line of Credit Facility [Line Items]      
Payment terms, period of revenue calculation   12 months  
SWK Credit Agreement [Member] | Product Revenue Over $10 Million, 2019 [Member]      
Line of Credit Facility [Line Items]      
Payment terms, payment percentage   12.50%  
Payment terms, elapsed period payment threshold   $ 12,500,000  
Payment terms, percentage of product revenue after initial threshold   5.00%  
SWK Credit Agreement [Member] | Product Revenue Over $10 Million, 2020 [Member]      
Line of Credit Facility [Line Items]      
Payment terms, payment percentage   25.00%  
Payment terms, percentage of product revenue after initial threshold   10.00%  
SWK Credit Agreement [Member] | Product Revenue Over $10 Million, 2021 [Member]      
Line of Credit Facility [Line Items]      
Payment terms, payment percentage   30.00%  
Payment terms, elapsed period payment threshold   $ 12,500,000  
Payment terms, percentage of product revenue after initial threshold   20.00%  
SWK Credit Agreement [Member] | Change In Control Or Sale Of Business [Member]      
Line of Credit Facility [Line Items]      
Repayment percentage   176.50%  
Payment terms, period of revenue calculation   12 months  
Payment terms, change in control or sale of business fee, amount   $ 2,000,000  
Payment terms, change in control or sale of business fee, percentage of product revenue   5.00%  
Payment terms, change in control or sale of business fee, percentage multiple | item   5  
Residual Royalty Agreement [Member]      
Line of Credit Facility [Line Items]      
Repayment percentage   5.00%  
Payment terms, period of revenue calculation   12 months  
Payment terms, payment percentage   175.00%  
Payment terms, change in control or sale of business fee, amount   $ 2,000,000  
Payment terms, change in control or sale of business fee, percentage of product revenue   5.00%  
Payment terms, change in control or sale of business fee, percentage multiple | item   5  
Unamortized discounts     $ 2,420
Maximum [Member] | SWK Credit Agreement [Member] | Product Revenue Over $10 Million, 2020 [Member]      
Line of Credit Facility [Line Items]      
Payment terms, elapsed period payment threshold   $ 12,500,000