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LEASES - Lease payments and Maturities of lease liabilities (Details) $ in Thousands | Mar. 31, 2019 USD ($)
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Lease payments: |
2019 | $ 117
2020 | 159
2021 | 161
2022 | 162
2023 | 94
Total lease payments | 693
Less imputed interest | (118)
Total | 575
Undiscounted cash payments: |
2019 | 700
2020 | 700
2021 | 700
2022 | 700
2023 | 700
Total | $ 700

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