CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN REDEEMABLE PREFERRED STOCK AND STOCKHOLDERS' DEFICIT - 6 months ended Jun. 30, 2021 - USD ($) $ in Thousands		Total	Common Stock		Additional Paid-in Capital	[1]	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2020		$ (110,152)	$ 220	[1]	$ 135,218		$ (243,496)	$ (2,094)
Balance (in shares) at Dec. 31, 2020	[1]		21,754,223
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation expense		210			210
Issuance of stock for vested restricted stock units		2	$ 2	[1]
Issuance of stock for vested restricted stock units (in shares)	[1]		181
Fair value of conversion feature on Convertible 2023 Series Notes		2,033	$ 21	[1]	2,012
Fair value of conversion feature on Convertible 2023 Series Notes (in shares)	[1]		2,049,997
ATM		33,741	$ 387	[1]	33,354
ATM (in shares)	[1]		38,712,036
Issuance of shares for debt exchange		303	$ 303	[1]
Issuance of shares for debt exchange (in shares)	[1]		30,002,611
Series C Extinguishment		26,877	$ 299	[1]	26,578
Series C Extinguishment (in shares)	[1]		298,626
Cumulative translation adjustment		(1,188)						(1,188)
Net loss		(10,713)					(10,713)
Balance at Jun. 30, 2021		(58,887)	$ 1,232	[1]	$ 197,372		$ (254,209)	$ (3,282)
Balance (in shares) at Jun. 30, 2021	[1]		92,817,674
Balance at Dec. 31, 2020		$ 0
Balance (in shares) at Dec. 31, 2020		0
Preferred Stock Series D
Issuance of preferred shares to settle Second Lien Credit Agreement paid-in- kind interest		$ 15,374
Issuance of preferred shares to settle Second Lien Credit Agreement paid-in- kind interest (in shares)		85,412
Balance at Jun. 30, 2021		$ 15,374
Balance (in shares) at Jun. 30, 2021		85,412

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