LEASES - Supplemental Balance Sheet Information (Details)  | 
Jun. 30, 2020  | 
Mar. 31, 2020  | 
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| Weighted average remaining lease term and discount rate | ||
| Weighted average remaining operating lease term (years) | 4 years 9 months 21 days | 4 years 11 months 26 days | 
| Weighted average discount rate for operating leases (percentage) | 13.98% | 13.91% | 
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- Definition Weighted Average Remaining Lease Term and Discount Rate [Abstract] No definition available. 
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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