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COMMITMENTS AND CONTINGENCIES (Details Narrative) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2003 | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2020 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Self-insured retention |  | $ 100,000 |  |
Accounts Receivable, after Allowance for Credit Loss, Current |  | 11,372,000 |  | $ 9,659,000
Finite risk sinking fund (restricted cash) |  | 11,471,000 |  | 11,446,000
Interest income |  | 26,000 |  | 140,000
Letters of credit outstanding, amount |  | 3,020,000 |  |
Bond outstanding |  | 50,109,000 |  |
American International Group, Inc [Member] |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Period of finite risk insurance policy | 25 years |  |  |
Maximum allowable coverage of insurance policy |  | 28,177,000 |  |
Coverage amount under the policy |  | 20,403,000 |  |
Interest income |  | $ 25,000 |  | 139,000
Insurers obligation to entity on termination of contract |  | 100.00% |  |
American International Group, Inc [Member] | 2003 Closure Policy [Member] |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Finite risk sinking fund (restricted cash) |  | $ 11,471,000 |  | 11,446,000
Interest income |  | 2,000,000 |  | $ 1,975,000
Canadian Nuclear Laboratories LTD [Member] |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
[custom:UnpaidReceivablesAndUnbilledCosts] |  | 2,640,000 |  |
Accounts Receivable, after Allowance for Credit Loss, Current |  | $ 871,000 |  |
[custom:BondSecuringAmount] |  |  | $ 1,900,000 |

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