Organization and Significant Accounting Policies - Stock Warrant (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Warrant liability
Proceeds from exercise of stock warrants	$ 0	$ 8,838	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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