Quarterly report pursuant to Section 13 or 15(d)

Debt - Convertible Notes (Details)

v3.19.3
Debt - Convertible Notes (Details) - USD ($)
6 Months Ended 12 Months Ended
Sep. 28, 2016
Sep. 30, 2019
Sep. 30, 2018
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2016
Debt Instrument [Line Items]            
Repayments of debt $ 11,000,000          
Loss on extinguishment of debt   $ 0 $ 15,000 $ 431,000    
Convertible notes            
Debt Instrument [Line Items]            
Debt face amount $ 16,000,000          
Interest rate 8.75%          
Gross amount $ 11,084,000          
Original discount 4,916,000          
Issuance costs $ 1,700,000         $ 212,000
Purchase price of principal 92.75%          
Warrants issued (in shares) 250,000 4,105,600        
Right to receive cash   2.50%        
Convertible debt conversion price (in dollars per share) $ 1.364     $ 1.364 $ 1.364  
Warrant to purchase (in shares)   256,600.00        
Warrant exercise price (in dollars per share) $ 1.364          
Proceeds from debt $ 14,316,000          
Notes converted       $ 5,700,000 $ 10,300,000  
Write off of debt discount         2,591,000  
Write off of deferred debt issuance cost       1,360,000 1,019,000  
Extinguishment of debt       $ 4,340,000 $ 6,690,000  
Conversion of stock, shares issued       4,446,265 8,624,445  
Repayments of debt         $ 247,000  
Adjustments to additional paid in capital       $ 10,582,000 14,238,000  
Loss on extinguishment of debt         $ 1,785,000  
Convertible notes | Convertible note embedded derivative liability            
Debt Instrument [Line Items]            
Warrant liability 3,693,000          
Convertible notes | Warrant liability            
Debt Instrument [Line Items]            
Warrant liability $ 1,223,000