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