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PROPERTY AND EQUIPMENT - Additional information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Property, Plant and Equipment |  |  |  |
Depreciation |  |  | $ 1,094 | $ 537
Property and Equipment [Member] |  |  |  |
Property, Plant and Equipment |  |  |  |
Depreciation | $ 200 | $ 100 | 300 | 200
Leased Devices [Member] |  |  |  |
Property, Plant and Equipment |  |  |  |
Depreciation | 400 | 200 | 600 | 400
Sales Rep demo units |  |  |  |
Property, Plant and Equipment |  |  |  |
Depreciation | $ 100 | $ 0 | $ 200 | $ 0

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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