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v3.21.1

Segment Reporting - Schedule of Segment Reporting Information (Details) (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Net revenues | $ 105,426 | $ 73,459
Assets of disposal group including discontinued operation including not held for sale | 103 | 221
Debt issuance costs | 105 | 340
Financed portion amount in the purchase of capital expenditure | 883 | 393
Long-lived asset (net) | 875 | 1,065
Perma-Fix [Member] |  |
Long-lived asset (net) | 33 | 41
Sales Revenue [Member] | Customer Concentration Risk [Member] | Domestic and Foreign Government [Member] |  |
Net revenues | $ 96,582 | $ 59,985
Concentration risk, percentage | 91.60% | 81.70%

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