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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2021
Fixed Assets [Abstract] |
Schedule of breakdown and changes |
|  | Vehicles |  | Docking stations and drones(1)(2) |  | Computers and peripheral equipment |  | Machinery, Office furniture and Equipment |  | Leasehold Improvements |  | Total
|  | U.S. dollars in thousands
Cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2020 |  | 55 |  |  | 4,488 |  |  | 1,231 |  |  | 842 |  |  | 1,175 |  |  | 7,791 |
Additions during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchases |  | — |  |  | 980 |  |  | 10 |  |  | 43 |  |  | — |  |  | 1,033 |
Adjustments arising from translating financial statements of foreign operations |  | — |  |  | 13 |  |  | — |  |  | — |  |  | — |  |  | 13 |
Decreases during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposals |  | (4 | ) |  | (438 | ) |  | — |  |  | (57 | ) |  | — |  |  | (499 | )
Balance as of December 31, 2020 |  | 51 |  |  | 5,043 |  |  | 1,241 |  |  | 828 |  |  | 1,175 |  |  | 8,338 |
Additions during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchases |  | — |  |  | 402 |  |  | 59 |  |  | 49 |  |  | 3 |  |  | 513 |
Decreases during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Classification to inventory(3) |  | — |  |  | (1,374 | ) |  | — |  |  | — |  |  | — |  |  | (1,374 | )
Sales |  | (36 | ) |  | (625 | ) |  | — |  |  | (14 | ) |  | — |  |  | (675 | )
Disposals |  | — |  |  | (52 | ) |  | (1,094 | ) |  | (401 | ) |  | (5 | ) |  | (1,552 | )
Balance as of December 31, 2021 |  | 15 |  |  | 3,394 |  |  | 206 |  |  | 462 |  |  | 1,173 |  |  | 5,250 |
Accumulated Depreciation and impairment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2020 |  | 19 |  |  | 445 |  |  | 935 |  |  | 436 |  |  | 284 |  |  | 2,119 |
Additions during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation |  | 10 |  |  | 337 |  |  | 204 |  |  | 99 |  |  | 117 |  |  | 767 |
Decreases during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reversal of an impairment loss |  | — |  |  | (206 | ) |  | — |  |  | — |  |  | — |  |  | (206 | )
Disposals |  | (2 | ) |  | (438 | ) |  | — |  |  | (13 | ) |  | — |  |  | (453 | )
Balance as of December 31, 2020 |  | 27 |  |  | 138 |  |  | 1,139 |  |  | 522 |  |  | 401 |  |  | 2,227 |
Additions during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation |  | 3 |  |  | 371 |  |  | 97 |  |  | 77 |  |  | 120 |  |  | 668 |
Impairment |  | — |  |  | 955 |  |  | — |  |  | — |  |  | — |  |  | 955 |
Decreases during the year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Classification to inventory(3) |  | — |  |  | (164 | ) |  | — |  |  | — |  |  | — |  |  | (164 | )
Sales |  | (15 | ) |  | — |  |  | — |  |  | (11 | ) |  | — |  |  | (26 | )
Disposals |  | — |  |  | (52 | ) |  | (1,094 | ) |  | (401 | ) |  | (5 | ) |  | (1,552 | )
Balance as of December 31, 2021 |  | 15 |  |  | 1,248 |  |  | 142 |  |  | 187 |  |  | 516 |  |  | 2,108 |
Depreciated cost as of December 31, 2020 |  | 24 |  |  | 4,905 |  |  | 102 |  |  | 306 |  |  | 774 |  |  | 6,111 |
Depreciated cost as of December 31, 2021 |  | — |  |  | 2,146 |  |  | 64 |  |  | 275 |  |  | 657 |  |  | 3,142 |

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- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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