Condensed Consolidated Statements of Changes in Stockholder's Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Comprehensive Income	Accumulated Deficit	Total
Balance at beginning of period at Dec. 31, 2020	$ 20	$ 73,713	$ 14	$ (66,544)	$ 7,203
Balance at beginning of period (shares) at Dec. 31, 2020	19,671,182
Increase (Decrease) in Stockholders' Equity
Issuance of common stock and warrants in connection with equity financing	$ 2	9,998			10,000
Issuance of common stock and warrants in connection with equity financing (in shares)	2,500,000
Transaction costs in connection with equity financing		(908)			(908)
Stock-based compensation		187			187
Foreign currency translation adjustment			(7)		(7)
Net loss				(3,324)	(3,324)
Balance at end of period at Mar. 31, 2021	$ 22	82,990	7	(69,868)	13,151
Balance at end of period (shares) at Mar. 31, 2021	22,171,182
Balance at beginning of period at Dec. 31, 2020	$ 20	73,713	14	(66,544)	7,203
Balance at beginning of period (shares) at Dec. 31, 2020	19,671,182
Increase (Decrease) in Stockholders' Equity
Net loss					(7,245)
Balance at end of period at Jun. 30, 2021	$ 22	83,242	3	(73,789)	9,478
Balance at end of period (shares) at Jun. 30, 2021	22,285,492
Balance at beginning of period at Mar. 31, 2021	$ 22	82,990	7	(69,868)	13,151
Balance at beginning of period (shares) at Mar. 31, 2021	22,171,182
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		180			180
Exercise of stock options		72			72
Exercise of stock options (in shares)	114,310
Foreign currency translation adjustment			(4)		(4)
Net loss				(3,921)	(3,921)
Balance at end of period at Jun. 30, 2021	$ 22	83,242	3	(73,789)	9,478
Balance at end of period (shares) at Jun. 30, 2021	22,285,492
Balance at beginning of period at Dec. 31, 2021	$ 27	96,394	4	(81,828)	14,597
Balance at beginning of period (shares) at Dec. 31, 2021	26,661,771
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		207			207
Foreign currency translation adjustment			(1)		(1)
Net loss				(2,875)	(2,875)
Balance at end of period at Mar. 31, 2022	$ 27	96,601	3	(84,703)	11,928
Balance at end of period (shares) at Mar. 31, 2022	26,661,771
Balance at beginning of period at Dec. 31, 2021	$ 27	96,394	4	(81,828)	14,597
Balance at beginning of period (shares) at Dec. 31, 2021	26,661,771
Increase (Decrease) in Stockholders' Equity
Net loss					(6,178)
Balance at end of period at Jun. 30, 2022	$ 27	96,812		(88,006)	8,833
Balance at end of period (shares) at Jun. 30, 2022	26,661,771
Balance at beginning of period at Mar. 31, 2022	$ 27	96,601	3	(84,703)	11,928
Balance at beginning of period (shares) at Mar. 31, 2022	26,661,771
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		211			211
Foreign currency translation adjustment			$ (3)		(3)
Net loss				(3,303)	(3,303)
Balance at end of period at Jun. 30, 2022	$ 27	$ 96,812		$ (88,006)	$ 8,833
Balance at end of period (shares) at Jun. 30, 2022	26,661,771