The Company and Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
The Company and Basis of Presentation
Cash	$ 8,849				$ 8,849		$ 16,387
Accumulated deficit	(88,006)				(88,006)		$ (81,828)
Net losses	$ 3,303	$ 2,875	$ 3,921	$ 3,324	$ 6,178	$ 7,245

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details