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COMMITMENTS AND CONTINGENCIES (Details) | 12 Months Ended
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Dec. 31, 2020 USD ($) claim | Dec. 31, 2019 USD ($)
Commitments and contingencies |  |
Payment made to third party | $ 23,000 | $ 10,000
Payments for legal settlements | $ 0 | 2,000,000.0
Value-added tax assessments and other civil litigation |  |
Commitments and contingencies |  |
Minimum number of claims that the Company's insurance coverage may not be sufficient to cover | claim | 1 |
Accrued litigation expense | $ 500,000 |
Provision for losses | 0 |
Value-added tax assessments and other civil litigation | Minimum |  |
Commitments and contingencies |  |
Estimate of possible loss | 0 |
Value-added tax assessments and other civil litigation | Maximum |  |
Commitments and contingencies |  |
Estimate of possible loss | 300,000 |
Non Income Tax |  |
Commitments and contingencies |  |
Accrued liabilities | 200,000 | 400,000
Non Income Tax | Minimum |  |
Commitments and contingencies |  |
Estimate of possible loss | 0 |
Non Income Tax | Maximum |  |
Commitments and contingencies |  |
Estimate of possible loss | 2,600,000 |
Product liability and employee medical claims |  |
Commitments and contingencies |  |
Accrued liabilities | 700,000 | 800,000
Accrued liabilities classified as short-term | $ 400,000 | $ 500,000

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