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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
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Sep. 30, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of components of inventory | ​ (4) INVENTORY The components of inventory are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2023 |  | December 31, 2022
Raw materials | ​ | $ | 3,408 | ​ | $ | 3,506
Work-in-process | ​ |  | 1,419 | ​ |  | 1,205
Finished goods | ​ | ​ | 8,573 | ​ | ​ | 7,750
Inventory in transit | ​ |  | 1,054 | ​ |  | 1,291
​ | ​ | $ | 14,454 | ​ | $ | 13,752
Less: reserve | ​ | ​ | (268) | ​ | ​ | (268)
​ | ​ | $ | 14,186 | ​ | $ | 13,484
​
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, 2023 and 2022 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, | ​
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
Device revenue |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |  | ​
Purchased | ​ | $ | 7,022 | ​ | $ | 2,900 | ​ | $ | 16,444 | ​ | $ | 7,357 | ​
Leased | ​ |  | 9,833 | ​ |  | 8,449 | ​ |  | 26,098 | ​ |  | 20,222 | ​
Total device revenue | ​ | $ | 16,855 | ​ | $ | 11,349 | ​ | $ | 42,542 | ​ | $ | 27,579 | ​
Supplies revenue | ​ | ​ | 33,060 | ​ | ​ | 30,171 | ​ | ​ | 94,495 | ​ | ​ | 81,783 | ​
Total revenue | ​ | $ | 49,915 | ​ | $ | 41,520 | ​ | $ | 137,037 | ​ | $ | 109,362 | ​

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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 The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//330/tableOfContent + Details
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