Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2020	$ 0	$ 249,663	$ (7)	$ (233,338)	$ 16,318
Balance (in shares) at Dec. 31, 2020	2,736,060
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(5,221)	(5,221)
Unrealized foreign currency translation adjustments	0	0	(3)	0	(3)
Stock-based compensation, net	$ 0	355	0	0	355
Stock-based compensation, net (in shares)	0
Issuance of common, net	$ 0	18,902	0	0	18,902
Issuance of common, net (in shares)	3,795,816
Exercise of warrants	$ 0	1	0	0	1
Exercise of warrants (in shares)	66
Balance at Mar. 31, 2021	$ 0	268,921	(10)	(238,559)	30,352
Balance (in shares) at Mar. 31, 2021	6,531,942
Balance at Dec. 31, 2020	$ 0	249,663	(7)	(233,338)	16,318
Balance (in shares) at Dec. 31, 2020	2,736,060
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(9,952)
Unrealized foreign currency translation adjustments					(3)
Balance at Jun. 30, 2021	$ 0	269,296	(10)	(243,290)	25,996
Balance (in shares) at Jun. 30, 2021	6,532,018
Balance at Mar. 31, 2021	$ 0	268,921	(10)	(238,559)	30,352
Balance (in shares) at Mar. 31, 2021	6,531,942
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(4,731)	(4,731)
Unrealized foreign currency translation adjustments	0	0	0	0	0
Stock-based compensation, net	$ 0	381	0	0	381
Stock-based compensation, net (in shares)	0
Issuance costs related to common stock offerings	$ 0	(6)	0	0	(6)
Exercise of warrants	$ 0	0	0	0	0
Exercise of warrants (in shares)	76
Balance at Jun. 30, 2021	$ 0	269,296	(10)	(243,290)	25,996
Balance (in shares) at Jun. 30, 2021	6,532,018
Balance at Dec. 31, 2021	$ 1	278,873	(11)	(252,916)	25,947
Balance (in shares) at Dec. 31, 2021	10,537,606
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(4,473)	(4,473)
Unrealized foreign currency translation adjustments	0	0	(2)	0	(2)
Stock-based compensation, net	$ 0	241	0	0	241
Stock-based compensation, net (in shares)	0
Balance at Mar. 31, 2022	$ 1	279,114	(13)	(257,389)	21,713
Balance (in shares) at Mar. 31, 2022	10,537,606
Balance at Dec. 31, 2021	$ 1	278,873	(11)	(252,916)	25,947
Balance (in shares) at Dec. 31, 2021	10,537,606
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(8,759)
Unrealized foreign currency translation adjustments					(1)
Balance at Jun. 30, 2022	$ 1	279,350	(12)	(261,675)	17,664
Balance (in shares) at Jun. 30, 2022	10,537,606
Balance at Mar. 31, 2022	$ 1	279,114	(13)	(257,389)	21,713
Balance (in shares) at Mar. 31, 2022	10,537,606
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(4,286)	(4,286)
Unrealized foreign currency translation adjustments	0	0	1	0	1
Stock-based compensation, net	$ 0	236	0	0	236
Stock-based compensation, net (in shares)	0
Balance at Jun. 30, 2022	$ 1	$ 279,350	$ (12)	$ (261,675)	$ 17,664
Balance (in shares) at Jun. 30, 2022	10,537,606