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Segment Information (Tables) | 12 Months Ended
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May 31, 2025
Segment Information | Segment information is as follows:
|  | Year Ended May 31, 2025 |
|  | Food Safety |  |  | Animal Safety |  |  | Corporate and Eliminations (1) |  |  | Total |
Total Revenues |  | $ | 638,140 |  |  | $ | 256,521 |  |  |  |  |  | $ | 894,661 |
Total Cost of Revenues |  |  | 308,715 |  |  |  | 164,570 |  |  |  |  |  |  | 473,285 |
Operating Expenses |  |  | 1,315,095 |  |  |  | 84,704 |  |  |  | 82,574 |  |  |  | 1,482,373 |
Operating Income (Loss) |  | $ | (985,670 | ) |  | $ | 7,247 |  |  | $ | (82,574 | ) |  | $ | (1,060,997 | )
Depreciation and Amortization |  | $ | 105,022 |  |  | $ | 14,461 |  |  |  | — |  |  | $ | 119,483 |
Interest Expense |  |  | — |  |  |  | — |  |  | $ | 71,622 |  |  | $ | 71,622 |
Total Assets |  | $ | 2,991,767 |  |  | $ | 323,065 |  |  | $ | 129,004 |  |  | $ | 3,443,836 |
Expenditures for long-lived assets |  | $ | 96,698 |  |  | $ | 7,897 |  |  |  | — |  |  | $ | 104,595 |
|  | Year Ended May 31, 2024 |
|  | Food Safety |  |  | Animal Safety |  |  | Corporate and Eliminations (1) |  |  | Total |
Total Revenues |  | $ | 655,341 |  |  | $ | 268,881 |  |  |  |  |  | $ | 924,222 |
Total Cost of Revenues |  |  | 301,634 |  |  |  | 158,688 |  |  |  |  |  |  | 460,322 |
Operating Expenses |  |  | 271,261 |  |  |  | 70,873 |  |  |  | 63,103 |  |  |  | 405,237 |
Operating Income (Loss) |  | $ | 82,446 |  |  | $ | 39,320 |  |  | $ | (63,103 | ) |  | $ | 58,663 |
Depreciation and Amortization |  | $ | 102,328 |  |  | $ | 14,389 |  |  |  | — |  |  | $ | 116,717 |
Interest Expense |  |  | — |  |  |  | — |  |  | $ | 73,394 |  |  | $ | 73,394 |
Total Assets |  | $ | 4,035,257 |  |  | $ | 342,640 |  |  | $ | 170,936 |  |  | $ | 4,548,833 |
Expenditures for long-lived assets |  | $ | 93,036 |  |  | $ | 18,385 |  |  |  | — |  |  | $ | 111,421 |
|  | Year Ended May 31, 2023 |
|  | Food Safety |  |  | Animal Safety |  |  | Corporate and Eliminations (1) |  |  | Total |
Total Revenues |  | $ | 546,797 |  |  | $ | 275,650 |  |  |  |  |  | $ | 822,447 |
Total Cost of Revenues |  |  | 257,655 |  |  |  | 158,837 |  |  |  |  |  |  | 416,492 |
Operating Expenses |  |  | 228,728 |  |  |  | 73,481 |  |  |  | 66,231 |  |  |  | 368,440 |
Operating Income (Loss) |  | $ | 60,414 |  |  | $ | 43,332 |  |  | $ | (66,231 | ) |  | $ | 37,515 |
Depreciation and Amortization |  | $ | 76,841 |  |  | $ | 11,536 |  |  |  | — |  |  | $ | 88,377 |
Interest Expense |  |  | — |  |  |  | — |  |  | $ | 55,961 |  |  | $ | 55,961 |
Total Assets |  | $ | 3,970,356 |  |  | $ | 338,507 |  |  | $ | 245,569 |  |  | $ | 4,554,432 |
Expenditures for long-lived assets |  | $ | 52,169 |  |  | $ | 13,588 |  |  |  | — |  |  | $ | 65,757 |
(1) Includes corporate assets, including cash and cash equivalents, marketable securities, current and deferred tax accounts, and overhead expenses not allocated to specific business segments. Also includes the elimination of intersegment transactions.
Disaggregated Revenue | The following table presents the Company’s revenue disaggregated by geographical location. Country information has not been disclosed as it is impracticable to do so.
|  | Year Ended May 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Domestic |  | $ | 445,935 |  |  | $ | 465,242 |  |  | $ | 424,005 |
International |  |  | 448,726 |  |  |  | 458,980 |  |  |  | 398,442 |
Total Revenue |  | $ | 894,661 |  |  | $ | 924,222 |  |  | $ | 822,447 |
Disaggregated Property and Equipment Net | The following table presents the Company's net property and equipment amounts disaggregated by country.
|  | Year Ended May 31, |
|  | 2025 |  |  | 2024 |
United States |  | $ | 278,447 |  |  | $ | 209,778 |
United Kingdom |  |  | 12,512 |  |  |  | 19,231 |
Other |  |  | 48,172 |  |  |  | 48,095 |
Total Property, Plant, and Equipment |  | $ | 339,131 |  |  | $ | 277,104 |

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