Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Revenue
Revenue	$ 61,268	$ 61,088
Percentage of total revenue (in percent)	100.00%	100.00%
Revenue from sale type lease
Sales-type lease revenue	$ 8,799	$ 7,781
Cost of sales-type lease revenue	2,031	2,715
Gross profit	$ 6,768	5,066
Minimum
Revenue
Rental period of rent-to-purchase arrangements	3 months
Maximum
Revenue
Rental period of rent-to-purchase arrangements	10 months
Private insurers and other payers
Revenue
Revenue	$ 28,943	31,277
Veterans Administration
Revenue
Revenue	6,537	6,826
Medicare
Revenue
Revenue	15,074	14,210
Durable medical equipment distributors
Revenue
Revenue	10,714	8,775
Lymphedema products
Revenue
Revenue	$ 50,554	$ 52,313
Percentage of total revenue (in percent)	83.00%	86.00%
Airway clearance products
Revenue
Revenue	$ 10,714	$ 8,775
Percentage of total revenue (in percent)	17.00%	14.00%

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