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Significant Accounting Policies (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Significant Accounting Policies (Details) [Line Items] |  |  |
Inventory write-off | $ 407,000 | $ 316,000 |
Impairment loss related to intangible assets |  | 517,000 |
Impairment loss goodwill | 471,000 |  |
Severance expenses | $ 267,000 | 379,000 | $ 315,000
Tex benefit percentage | 50.00% |  |
Allowance for doubtful accounts | $ 21,000 | $ 16,000 | $ 1,000
Anti-dilutive (in Shares) | 40,000,479 |  | 413,373
Fair value of goodwill | $ 4,670,000 |  |
Investment Company, Incentive Fee to Average Net Assets | 75.00% |  |
Fair value assets percentage | 90.00% |  |
RFID Division [Member] |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |
Impairment loss | $ 4,700 |  |
Goodwill impairment loss | $ 471,000 |  |

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