Quarterly report pursuant to Section 13 or 15(d)

Debt (Narrative) (Details)

v3.19.3.a.u2
Debt (Narrative) (Details)
 3 Months Ended
Mar. 05, 2018
USD ($)
Dec. 31, 2019
USD ($)
item
Nov. 01, 2019
USD ($)
Sep. 30, 2019
USD ($)
Change In Control Or Sale Of Business [Member]        
Line of Credit Facility [Line Items]        
Payment terms, change in control or sale of business fee, percentage multiple | item   5    
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   3,728,988   $ 4,590,974
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, 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, elapsed period payment threshold   $ 12,500,000    
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, payment percentage   5.00%    
Payment terms, change in control or sale of business fee, amount   $ 2,000,000    
Residual Royalty Agreement [Member]        
Line of Credit Facility [Line Items]        
Payment terms, period of revenue calculation   12 months    
Payment terms, payment percentage   5.00%    
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    
Premium Finance Agreement [Member]        
Line of Credit Facility [Line Items]        
Loan amount     $ 837,000  
Interest rate     4.18%  
Number of installments | item   3    
Maximum [Member] | SWK Credit Agreement [Member] | Product Revenue Over $10 Million, 2019 [Member]        
Line of Credit Facility [Line Items]        
Payment terms, elapsed period payment threshold   $ 12,500,000