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v3.21.1

Accrued Liabilities (Tables) | 9 Months Ended
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Feb. 28, 2021
Payables and Accruals [Abstract] |
Accrued Liabilities | Accrued liabilities consisted of the following:
(in thousands) | Feb 28, 2021 |  | May 31, 2020
Payroll and related expenses | $ | 15,159 |  |  | $ | 13,059 |
Royalties | 2,052 |  |  | 2,392 |
Accrued severance | 370 |  |  | 794 |
Sales and franchise taxes | 576 |  |  | 634 |
Outside services | 2,291 |  |  | 2,222 |
Indemnification holdback | 4,625 |  |  | 5,000 |
Other | 5,687 |  |  | 5,279 |
| $ | 30,760 |  |  | $ | 29,380 |

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