Quarterly report pursuant to Section 13 or 15(d)

Debt (Narrative) (Details)

v3.20.4
Debt (Narrative) (Details)
 3 Months Ended
Nov. 01, 2020
USD ($)
item
Nov. 01, 2019
USD ($)
item
Mar. 05, 2018
USD ($)
Dec. 31, 2020
USD ($)
item
Sep. 30, 2020
USD ($)
SWK Credit Agreement [Member]          
Line of Credit Facility [Line Items]          
Loan amount     $ 10,000,000 $ 17,650,000 $ 17,650,000
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  
Pledge percentage     65.00%    
Net proceeds after fees and expenses     $ 9,900,000    
Deferred loan issuance costs       $ 267,000  
Payments on notes payable         10,000,000
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  
Payment terms, change in control or sale of business fee, percentage multiple | item       5  
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, percentage of advanced amount to be repaid before regular royalty payment       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  
Premium Finance Agreement [Member]          
Line of Credit Facility [Line Items]          
Loan amount $ 1,100,000 $ 837,000      
Interest rate 3.94% 4.18%      
Number of installments | item 3 3      
Loan payable         $ 0
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