Long-term Debt - Former Post Road Group Debt Facility (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Aug. 22, 2019	Feb. 26, 2019	Sep. 30, 2019	Mar. 31, 2019	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Payments of debt issuance costs		$ 1,607
Number of shares issued during period						3,845,193
Value of stock						$ 33,180
Additional debt issuance cost	$ 140
Loss on extinguishment of debt				$ (1,000)	$ (1,000)	(8,873)	$ 0
Interest expense related to debt discount and conversion feature						619	$ 184
Amortization of deferred financing costs						174
Interest expense incurred						$ 1,659
Weighted-average interest rate						11.08%
Post Road Group Debt Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity		50,000
Loan amount		25,000
Additional amounts in increments		$ 5,000
Threshold period in which additional amounts is funded		18 months
Spread on variable interest rate		8.50%
Spread on variable interest rate upon an event of default		11.50%
Payment-in-Kind interest, through and including the first anniversary of the initial funding date		3.00%
Payment-in-Kind interest, after the first anniversary of the initial funding date through and including the second anniversary of the initial funding date		2.00%
Payment-in-Kind interest, after the second anniversary of the initial funding date		1.00%
Threshold proceeds outside the ordinary course of business for loan was subject to prepayment		$ 1,000
Commitment fee		1.00%
Original issue discount on initial loan (as a percent)		0.75%
Original issue discount on maximum borrowing capacity (as a percent)		1.25%
Aggregate original issue discount amortized		$ 813
Payments of debt issuance costs	$ 2,167	$ 867
Number of shares issued during period	750,000	425,000
Value of stock	$ 2,167	$ 1,607
Share price	$ 2.89	$ 3.78
Additional debt issuance cost	$ 2,500
Loss on extinguishment of debt			$ 7,873
Unamortized debt discount and issuance costs			4,926
Exit fee paid to the lender			$ 2,947
Post Road Group Debt Facility [Member] | Fortress
Debt Instrument [Line Items]
Repayments of debt		$ 11,000