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Intangible and Other Assets - Schedule of Intangible and Other Assets (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Intangible and other assets, gross | $ 5,257 | $ 4,944
Less accumulated amortization | 2,795 | 2,182
Intangible and other assets, net | 2,462 | 2,762
Tradenames/trademarks (not subject to amortization) | 465 | 465
Intangible assets | 2,927 | 3,227
Other assets | 21 | 21
Intangible and other assets: | 2,948 | 3,248
Tradenames and Trademarks [Member] |  |
Intangible and other assets, gross | 417 | 417
Accreditations [Member] |  |
Intangible and other assets, gross | $ 85 | 85
Estimated useful lives of intangible assets | 5 years |
Customer Relationships [Member] |  |
Intangible and other assets, gross | $ 3,664 | 3,351
Patents [Member] |  |
Intangible and other assets, gross | $ 970 | 970
Estimated useful lives of intangible assets | 4 years |
Non-compete Agreements [Member] |  |
Intangible and other assets, gross | $ 121 | $ 121
Estimated useful lives of intangible assets | 5 years |
Minimum [Member] | Tradenames and Trademarks [Member] |  |
Estimated useful lives of intangible assets | 2 years 6 months |
Minimum [Member] | Customer Relationships [Member] |  |
Estimated useful lives of intangible assets | 3 years |
Maximum [Member] | Tradenames and Trademarks [Member] |  |
Estimated useful lives of intangible assets | 8 years |
Maximum [Member] | Customer Relationships [Member] |  |
Estimated useful lives of intangible assets | 15 years |

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