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7. FINANCIAL INSTRUMENTS - Change in contingent consideration (Details) - USD ($) $ in Thousands | 9 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Changes in fair value of contingent consideration |  |
Contingent consideration, beginning of period | $ 3,898 | $ 4,206
Change due to accretion | 74 | 87
Payment of contingent consideration |  | (500)
Contingent consideration, end of period | $ 3,972 | $ 3,793

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- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's change due to accretion. + References No definition available. + Details
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