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COMMITMENTS AND CONTINGENCIES (Details 3) $ in Thousands | Dec. 31, 2018 USD ($)
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Operating leases | $ 1,874
Finance leases | 2,678
Accounts Payable and Accrued Liabilities [Member] |
Operating leases | 687
Finance leases | 473
Other Long Term Liabilities [Member] |
Operating leases | 1,187
Finance leases | $ 2,205

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