Revenue - Summary of Disaggregated Revenues (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales		$ 27,253	$ 16,705	$ 68,130	$ 44,684
DME Channel
Disaggregation of Revenue [Line Items]
Net sales		21,015	14,462	53,486	40,845
PBP Channel
Disaggregation of Revenue [Line Items]
Net sales		6,238	2,243	14,644	3,839
iLet | DME Channel
Disaggregation of Revenue [Line Items]
Net sales	[1]	14,175	11,042	37,217	33,105
iLet | PBP Channel
Disaggregation of Revenue [Line Items]
Net sales	[1]	148	1,228	859	1,748
Single-use Products | DME Channel
Disaggregation of Revenue [Line Items]
Net sales		6,840	3,420	16,269	7,740
Single-use Products | PBP Channel
Disaggregation of Revenue [Line Items]
Net sales		$ 6,090	$ 1,015	$ 13,785	$ 2,091

[1] iLet includes the over-time recognition related to software updates and mobile app access.