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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
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Sep. 30, 2025
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of useful lives of finite-lived intangible assets by each asset category | ​
​ | ​ | ​
​ | ​ | Estimated
​ | ​ | Useful Lives
​ |  | in years
Patents |  | 11
Schedule of breakdown of disaggregated net revenue | The following table provides a breakdown of disaggregated net revenues for the three and nine months ended September 30, 2025 and 2024 related to devices accounted for as purchases subject to Accounting Standards Codification (“ASC”) 606 – “Revenue from Contracts with Customers” (“ASC 606”), leases subject to ASC 842 – “Leases” (“ASC 842”), and supplies (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended September 30, | ​ | For the Nine Months Ended September 30,
​ |  | 2025 |  | 2024 |  | 2025 |  | 2024
Device revenue |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |
Purchased | ​ | $ | 2,477 | ​ | $ | 7,299 | ​ | $ | 11,405 | ​ | $ | 21,851
Leased | ​ |  | 4,580 | ​ |  | 7,559 | ​ |  | 18,584 | ​ |  | 22,952
Total device revenue | ​ | $ | 7,057 | ​ | $ | 14,858 | ​ | $ | 29,989 | ​ | $ | 44,803
Supplies revenue | ​ | ​ | 6,303 | ​ | ​ | 35,108 | ​ | ​ | 32,239 | ​ | ​ | 101,577
Total net revenue | ​ | $ | 13,360 | ​ | $ | 49,966 | ​ | $ | 62,228 | ​ | $ | 146,380

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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