Convertible Notes - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands							1 Months Ended	3 Months Ended
	Mar. 27, 2020	Mar. 19, 2020	Mar. 06, 2020	Jan. 14, 2020	Jan. 09, 2020	Mar. 19, 2019	Jan. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 05, 2020	Jan. 08, 2020	Dec. 31, 2019	Jul. 08, 2019	Jun. 04, 2019
Debt instrument, face amount			$ 7,900		$ 7,150			$ 9,975			$ 7,000
Common stock, par value								$ 0.01				$ 0.01
Fair value assigned to conversion option								$ 3,457
Accretion expense								602
Settlement of derivative liability through the issuance of Common Stock								3,122
Amortization expense								87	$ 394
Warrants to purchase shares of common stock						1,942,131								1,374,750
Shares issued on conversion of debt						2,913,197
Conversion price		$ 0.525	$ 1.68
Amortization of debt discount and debt issuance costs									$ 394
Calm Private Placement
Debt instrument, face amount													$ 2,500
Warrants to purchase shares of common stock													312,500
Credit agreement with B3D, LLC
Debt instrument, face amount					7,150					$ 7,150	$ 7,000		$ 7,000
Increase in principal and interest accrued of debt			$ 750		$ 150
Issuance of common shares to pay interest on borrowings					97,223
Write off of deferred debt issuance cost								476
Amount of principal to be converted into common stock	$ 375
Shares issued on conversion of debt		446,429
B3D Note [Member]
Issuance of common shares to pay interest on borrowings				97,223
Revaluation gain on conversion option marked to market								651
Accretion expense							$ 485
Debt issuance costs, net								189
Settlement of derivative liability through the issuance of Common Stock							$ 599
Amortization expense								68
Shares issued on conversion of debt							1,430,647
B3D Note [Member] | B3D Note [Member]
Mark-to-market adjustments								$ 651
Calm Note, net
Interest rate (as a percent)								5.00%
Fair value assigned to conversion option													550
Fair value assigned to warrants													123
Revaluation gain on conversion option marked to market								$ 75
Accretion expense								117
Debt issuance costs, net								165					$ 220
Amortization expense								19
Conversion price													$ 6.00
Class A Warrants
Mark-to-market adjustments								4,643
Class A Warrants | Calm Note, net
Mark-to-market adjustments								$ 75