Derivatives - Terms and Assumptions in Valuation of Convertible Option of Notes (Details)		3 Months Ended	12 Months Ended
	May 28, 2020 USD ($) a $ / shares	Mar. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($) $ / shares	Sep. 30, 2020 USD ($) a	Apr. 06, 2020 a	Oct. 31, 2019 $ / shares
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liability | $	$ 6,300,000			$ 5,600,000
Expected Life in Years					5 years
Stock price | Warrant
Derivative Instruments, Gain (Loss) [Line Items]
Warrants, measurement input | a	4.03			2.45	2.70
Expected Life in Years | Warrant
Derivative Instruments, Gain (Loss) [Line Items]
Expected Life in Years	4 years 10 months 9 days			5 years	5 years
Volatility | Warrant
Derivative Instruments, Gain (Loss) [Line Items]
Warrants, measurement input	0.790			0.795	0.776
Discount Rate- Bond Equivalent Yield | Warrant
Derivative Instruments, Gain (Loss) [Line Items]
Warrants, measurement input	0.003			0.003	0.004
Series B Senior Unsecured Convertible Notes | Convertible Notes Payable
Derivative Instruments, Gain (Loss) [Line Items]
Term (years)	2 years 11 months 1 day	3 years 29 days	3 years 3 months 29 days
Face amount of the Notes | $	$ 34,405,000	$ 34,405,000	$ 34,405,000
Conversion price | $ / shares	$ 7.20	$ 7.20	$ 7.20			$ 7.20
Series B Senior Unsecured Convertible Notes | Convertible Notes Payable | Stock price
Derivative Instruments, Gain (Loss) [Line Items]
Measurement input | $ / shares	4.03	2.80	4.30
Series B Senior Unsecured Convertible Notes | Convertible Notes Payable | Risk free rate
Derivative Instruments, Gain (Loss) [Line Items]
Measurement input	0.002	0.003	0.016
Series B Senior Unsecured Convertible Notes | Convertible Notes Payable | Volatility
Derivative Instruments, Gain (Loss) [Line Items]
Measurement input	0.625	0.550	0.473