Annual report pursuant to Section 13 and 15(d)

Debt (Narrative) (Details)

v3.10.0.1
Debt (Narrative) (Details)
item in Millions
12 Months Ended
Nov. 15, 2018
USD ($)
May 15, 2018
USD ($)
Mar. 05, 2018
USD ($)
item
Sep. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
SWK Credit Agreement [Member]          
Line of Credit Facility [Line Items]          
Line of credit facility, maximum borrowing capacity     $ 12,000,000    
Percentage of paid advanced amount     175.00%    
Unamortized discounts       $ 8,475,874 $ 11,200,000
Percentage of product revenue     32.50%    
Minimum amount of net revenue required     $ 10,000,000    
Period in which net revenue will be calculated     12 months    
Repayments       642,485  
Percentage of oustanding shares acquired which constitutes a change of control     50.00%    
Period to replace key persons     90 days    
Required minimum liquid assets       1,000,000  
deferred loan issuance costs       267,000  
Line of credit facility, amount outstanding     $ 10,000,000 9,394,288  
Net proceeds after fees and expenses       9,900,000  
Pledge percentage     65.00%    
SWK Credit Agreement [Member] | May 15, 2018 [Member]          
Line of Credit Facility [Line Items]          
Repayments   $ 642,000      
SWK Credit Agreement [Member] | Subsequent Event [Member]          
Line of Credit Facility [Line Items]          
Repayments $ 2,600,000        
SWK Credit Agreement [Member] | Subsequent Event [Member] | August 15, 2018 [Member]          
Line of Credit Facility [Line Items]          
Repayments 1,400,000        
SWK Credit Agreement [Member] | Subsequent Event [Member] | November 15, 2018 [Member]          
Line of Credit Facility [Line Items]          
Repayments $ 1,200,000        
SWK Credit Agreement [Member] | Brazil [Member]          
Line of Credit Facility [Line Items]          
Additional credit draw based on agreement     $ 1,000,000    
Minimum units to be distributed under agreement | item     47.5    
SWK Credit Agreement [Member] | South Africa [Member]          
Line of Credit Facility [Line Items]          
Additional credit draw based on agreement     $ 1,000,000    
Minimum units to be distributed under agreement | item     30.0    
SWK Credit Agreement [Member] | On or after to September 5, 2018 [Member]          
Line of Credit Facility [Line Items]          
Percentage of paid advanced amount that must be paid     175.00%    
Percentage of product revenue     5.00%    
Net Revenue required     $ 2,000,000    
Period in which net revenue will be calculated     12 months    
SWK Credit Agreement [Member] | Scenario 2 [Member]          
Line of Credit Facility [Line Items]          
Percentage of product revenue     25.00%    
Net Revenue required     $ 10,000,000    
Period in which net revenue will be calculated     12 months    
SWK Credit Agreement [Member] | Scenario 3 [Member]          
Line of Credit Facility [Line Items]          
Percentage of product revenue     10.00%    
Net Revenue required     $ 12,500,000    
Residual Royalty Agreement [Member]          
Line of Credit Facility [Line Items]          
Unamortized discounts       2,420  
Change of control minimum payment     $ 2,000,000    
Percentage of product revenue     5.00%    
Period in which net revenue will be calculated     12 months    
Residual Royalty Agreement liability, fair value at inception       $ 346,000  
Earliest payment commencement date       Sep. 30, 2019  
Termination date       Mar. 05, 2025  
BMO Harris Bank (The Credit Agreement) [Member]          
Line of Credit Facility [Line Items]          
Line of credit facility, expiration date       Dec. 29, 2017  
Line of credit facility, amount outstanding       $ 0  
Minimum [Member] | Residual Royalty Agreement [Member]          
Line of Credit Facility [Line Items]          
Change of control probabilities       50.00%  
Discount rates       10.50%  
Maximum [Member] | SWK Credit Agreement [Member] | Scenario 2 [Member]          
Line of Credit Facility [Line Items]          
Net Revenue required     $ 12,500,000    
Maximum [Member] | Residual Royalty Agreement [Member]          
Line of Credit Facility [Line Items]          
Change of control probabilities       95.00%  
Discount rates       12.00%