Series D Perpetual Preferred Stock (Details) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Amount of shares issued			$ 668,000
2019 Exchange Note 2
Class of Stock [Line Items]
Carrying value	$ 2,310,000	$ 2,310,000	$ 2,310,000	$ 2,297,000
Series D perpetual preferred stock
Class of Stock [Line Items]
Shares issued (in shares)	842,500		848,117
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001	$ 0.0001
Percentage of cumulative stock dividend	8.00%
Arrears of cumulative dividend payable term	24 months
Change in fair value of the Series D perpetual preferred shares		$ 71,000	$ 71,000
Redemption price per share	$ 8.00	$ 8.00	$ 8.00
Fair value of the Series D perpetual preferred shares	$ 6,430,000	$ 6,430,000	$ 6,430,000
Series D perpetual preferred stock | 2019 Exchange Note 2
Class of Stock [Line Items]
Amount of shares issued	2,296,926
Carrying value	$ 2,610,677	$ 2,610,677	$ 2,610,677
Percentage of increase in outstanding balance of notes	5.00%
Redemption price per share	$ 8.00	$ 8.00	$ 8.00
Series D perpetual preferred stock | Minimum
Class of Stock [Line Items]
Effective borrowing rate			12.00%
Series D perpetual preferred stock | Maximum
Class of Stock [Line Items]
Effective borrowing rate			15.00%
Series C perpetual preferred stock
Class of Stock [Line Items]
Series A convertible preferred stock redeemed and Series C perpetual preferred issued under the exchange transaction (in shares)	5,524,926
Series A convertible preferred stock redeemed and Series C perpetual preferred issued under the exchange transaction	$ 11,227,000
Redemption price per share	$ 8	$ 8	$ 8