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v3.23.1

Property and Equipment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Property, Plant and Equipment [Line Items] |  |  |  |
Finance lease right-of-use asset | $ 0 |  | $ 0 | $ 13
Property and equipment at cost | 1,392 |  | 1,392 | 3,477
Less: accumulated depreciation | (1,316) |  | (1,316) | (2,802)
Property and equipment, net | 76 |  | 76 | 675
Depreciation |  |  | 159 | 188
Gain (loss) on disposition of property plant equipment |  |  | 338 | 0
Gain (loss) on disposal of fixed assets |  |  | $ 334 | 0
Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 2 years |
Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 15 years |
Equipment |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment at cost | 1,061 |  | $ 1,061 | 1,308
Equipment | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 3 years |
Equipment | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 15 years |
Tooling |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment at cost | 190 |  | $ 190 | 384
Tooling | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 2 years |
Tooling | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 5 years |
Vehicles |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 5 years |
Property and equipment at cost | 0 |  | $ 0 | 83
Furniture and fixtures |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 5 years |
Property and equipment at cost | 0 |  | $ 0 | 86
Computer software |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 3 years |
Property and equipment at cost | 0 |  | $ 0 | 1,194
Leasehold improvements |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment at cost | 141 |  | $ 141 | 169
UV- Robots |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment, useful life |  |  | 5 years |
Property and equipment at cost | 0 |  | $ 0 | 105
Construction in progress |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property and equipment at cost | 0 |  | $ 0 | $ 135
Ultraviolet-C Light Disinfection Robots |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Gain (loss) on disposition of property plant equipment | $ 258 | $ 76 |  |

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- Definition Amount, before accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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