v3.22.2.2

Basis of Presentation (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Jun. 15, 2021	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($) shares
Anti-dilutive securities
Reverse stock split ratio	0.333
Loss on impairment of intangible asset and goodwill | $		$ 0	$ 0	$ 0	$ 0
Obalon Therapeutics Inc.
Anti-dilutive securities
Stock exchange ratio	0.5367
Stock options
Anti-dilutive securities
Anti-dilutive securities (in shares)				820,092	256,881
Convertible preferred stock
Anti-dilutive securities
Anti-dilutive securities (in shares)				38	742
Warrants to purchase common stock
Anti-dilutive securities
Anti-dilutive securities (in shares)				6,952,328	6,181,997

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