Revenue Disaggregation and Operating Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) item	Jun. 30, 2021 USD ($) item	Jun. 30, 2022 USD ($) item	Jun. 30, 2021 USD ($) item
Revenue Recognition
Revenue	$ 2,892	$ 3,529	$ 5,332	$ 6,750
Number of Products in Development Stage | item	2	2	2	2
United States
Revenue Recognition
Revenue	$ 2,308	$ 2,633	$ 4,152	$ 5,153
Australia
Revenue Recognition
Revenue	188	277	369	570
Europe
Revenue Recognition
Revenue	389	590	803	969
Rest of world
Revenue Recognition
Revenue	7	29	8	58
Obalon Therapeutics Inc.
Revenue Recognition
Revenue			0
ReShape Vest and Diabetes Bloc-Stim Neuromodulation Products
Revenue Recognition
Revenue	$ 0	$ 0	$ 0	$ 0