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Note 13 - Warrants and Derivative Liabilities (Tables) | 9 Months Ended
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Dec. 31, 2020
Notes Tables |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
|  | December 31, |  |  | October 1, |
Fiscal Year 2020 |  | 2020 |  |  | 2020 |
Revenue risk premium |  |  | 6.90 | % |  |  | 7.10 | %
Revenue volatility |  |  | 30 | % |  |  | 30 | %
Stock Price |  | $ | 23.42 |  |  | $ | 14.23 |
Payment delay (days) |  |  | 80 |  |  |  | — |
Fair value |  | $6.7 million |  |  | $4.0 million |

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