Quarterly report pursuant to Section 13 or 15(d)

Debt Agreements (Details)

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Debt Agreements (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2018
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     27,388,464    
Molteni Loan          
Conversion Price, (in dollars per share) $ 0.225        
Gain on debt extinguishment     $ 0.3    
Increase in repayment of long term debt $ 0.3        
Long-term Debt         $ 4.0
Debt Conversion, Converted Instrument, Shares Issued 3,422,777        
Horizon Loan          
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 7.20
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         6,667
Conversion Price, (in dollars per share)         $ 7.20
Long-term Debt         $ 2.4
Horizon and Molteni Loan          
Debt Instrument, Term     46 months    
Debt Instrument, Description of Variable Rate Basis     one-month LIBOR (floor of 1.10%) plus 8.40%    
Debt Instrument Final Payment On Each Loan Tranche percentage     5.00%    
Amortization of Debt Discount (Premium)     $ 0.3 $ 0.3  
Molteni Purchase Agreement          
Conversion Price, (in dollars per share)   $ 1.50      
Gain on debt extinguishment   $ 0.1      
Debt Conversion, Converted Instrument, Shares Issued   448,287