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Schedule of Intangible and Other Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Intangible assets subject to amortization: |  |
Intangible and other assets, gross | $ 5,520 | $ 5,520
Less accumulated amortization | 3,992 | 3,821
Intangible and other assets, net | 1,528 | 1,699
Cryptocurrency (not subject to amortization) | 116 | 116
Tradenames/trademarks (not subject to amortization) | 465 | 465
Intangible assets | 2,109 | 2,280
Other assets | 18 | 23
Intangible and other assets: | 2,127 | 2,303
Trademarks and Trade Names [Member] |  |
Intangible assets subject to amortization: |  |
Intangible and other assets, gross | $ 417 | 417
Minimum [Member] | Trademarks and Trade Names [Member] |  |
Intangible assets subject to amortization: |  |
Estimated useful lives of intangible assets | 2 years 6 months |
Minimum [Member] | Customer Relationships [Member] |  |
Intangible assets subject to amortization: |  |
Estimated useful lives of intangible assets | 3 years |
Maximum [Member] | Trademarks and Trade Names [Member] |  |
Intangible assets subject to amortization: |  |
Estimated useful lives of intangible assets | 8 years |
Maximum [Member] | Customer Relationships [Member] |  |
Intangible assets subject to amortization: |  |
Estimated useful lives of intangible assets | 15 years |
Accreditations [Member] |  |
Intangible assets subject to amortization: |  |
Intangible and other assets, gross | $ 75 | 75
Estimated useful lives of intangible assets | 5 years |
Customer Relationships [Member] |  |
Intangible assets subject to amortization: |  |
Intangible and other assets, gross | $ 3,937 | 3,937
Patents [Member] |  |
Intangible assets subject to amortization: |  |
Intangible and other assets, gross | $ 970 | 970
Estimated useful lives of intangible assets | 4 years |
Noncompete Agreements [Member] |  |
Intangible assets subject to amortization: |  |
Intangible and other assets, gross | $ 121 | $ 121
Estimated useful lives of intangible assets | 5 years |

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