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Accrued Liabilities (Tables) | 12 Months Ended
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May 31, 2014
Payables and Accruals [Abstract] |
Accrued liabilities | As of May 31, 2014 and 2013, accrued liabilities consist of the following:
| May 31, 2014 |  | May 31, 2013
| (in thousands)
Payroll and related expenses | $ | 8,224 |  |  | $ | 6,491 |
Royalties | 2,620 |  |  | 2,034 |
Accrued severance | 765 |  |  | 1,602 |
Deferred revenue | 200 |  |  | 1,573 |
Sales and franchise taxes | 1,327 |  |  | 1,047 |
Interest rate swap liability | 555 |  |  | 523 |
Other | 3,071 |  |  | 3,156 |
Total | $ | 16,762 |  |  | $ | 16,426 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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