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v3.22.1

Property, Equipment and Software, Net (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Long-lived assets |
Schedule of property and equipment, net | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
(in thousands) |  | 2022 |  | 2021
Construction in process | ​ | $ | 58,663 | ​ | $ | 39,116
Charging equipment | ​ |  | 8,090 | ​ |  | 8,611
Charging station equipment | ​ |  | 49,211 | ​ |  | 42,799
Charging station installation costs | ​ | ​ | 75,195 | ​ | ​ | 63,932
Software | ​ | ​ | 6,137 | ​ | ​ | 5,295
Office equipment and vehicles | ​ |  | 1,051 | ​ |  | 846
​ | ​ |  | 198,347 | ​ |  | 160,599
Less accumulated depreciation and amortization | ​ |  | (32,213) | ​ |  | (27,317)
Total property, equipment and software, net | ​ | $ | 166,134 | ​ | $ | 133,282
Schedule of allocation of depreciation and amortization of property and equipment | ​
​ | ​ | ​ | ​ | ​ | ​
​ | Three Months Ended
​ | March 31, | ​ | March 31,
(in thousands) | 2022 |  | 2021
Cost of sales
Depreciation of property and equipment | $ | 4,618 | ​ | $ | 3,243
Amortization of capital-build liability | ​ | (1,164) | ​ | ​ | (796)
General and administrative expenses | ​ | ​ | ​ | ​ | ​
Depreciation of property and equipment | ​ | 63 | ​ | ​ | 34
Amortization of software | ​ | 461 | ​ | ​ | —
​ | $ | 3,978 | ​ | $ | 2,481

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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