CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - 9 months ended Sep. 30, 2020 - USD ($) $ in Thousands		Total	Common Stock		Additional Paid-in Capital		Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2019		$ (5,307)	$ 56	[1]	$ 118,469	[1]	$ (121,474)	$ (2,358)
Balance (in shares) at Dec. 31, 2019	[1]		5,385,043
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation expense		807			807	[1]
Issuance of stock for vested restricted stock units (in shares)	[1]		4,906
Reclassification of derivative liabilities to equity		8,460			8,460	[1]
Warrant issuance		329			329
APIC related to Series C Convertible Notes		(2,528)			(2,528)
Fair value of conversion feature on Convertible 2023 Series D Notes		755	$ 10		745
Fair value of conversion feature on Convertible 2023 Series D Notes (in shares)			1,000,000
Cumulative translation adjustment		(928)						(928)
Net loss		(41,678)					(41,678)
Share rounding as a result of the reverse stock split (in shares)	[1]		1,620
Balance at Sep. 30, 2020		$ (40,090)	$ 66	[1]	$ 126,282	[1]	$ (163,152)	$ (3,286)
Balance (in shares) at Sep. 30, 2020	[1]		6,391,569

[1] Adjusted to reflect the 1-for-10 reverse stock split effectuated at 12:01 a.m. Eastern Time on May 28, 2020.