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Summary of Significant Accounting Policies and Select Balance Sheet Information (Tables) | 12 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Amortized Cost, Unrealized Holding Gains (Losses) and Fair Value of Available for Sale Securities | The amortized cost, unrealized holding gains and losses, and fair value of available-for-sale securities were as follows:
|  | September 30, 2021 |
|  | Valuation |  |  | Balance Sheet Classification |
(In thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |  |  | Current Assets |  |  | Noncurrent Assets |
Commercial paper and corporate bonds |  | $ | 9,718 |  |  | $ | 2 |  |  | $ | (1 | ) |  | $ | 9,719 |  |  | $ | 7,717 |  |  | $ | 2,002 |
Total |  | $ | 9,718 |  |  | $ | 2 |  |  | $ | (1 | ) |  | $ | 9,719 |  |  | $ | 7,717 |  |  | $ | 2,002 |
|  | September 30, 2020 |
|  | Valuation |  |  | Balance Sheet Classification |
(In thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |  |  | Current Assets |  |  | Noncurrent Assets |
Commercial paper and corporate bonds |  | $ | 30,313 |  |  | $ | 19 |  |  | $ | (19 | ) |  | $ | 30,313 |  |  | $ | 30,313 |  |  | $ | — |
Total |  | $ | 30,313 |  |  | $ | 19 |  |  | $ | (19 | ) |  | $ | 30,313 |  |  | $ | 30,313 |  |  | $ | — |
Components of Inventories | Inventories consisted of the following components:
|  | September 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Raw materials |  | $ | 4,165 |  |  | $ | 3,758 |
Work-in process |  |  | 1,295 |  |  |  | 817 |
Finished products |  |  | 1,300 |  |  |  | 1,391 |
Total |  | $ | 6,760 |  |  | $ | 5,966 |
Summary of Prepaids and Other Current Assets | Prepaids and other current assets consisted of the following:
|  | September 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Prepaid expenses |  | $ | 1,712 |  |  | $ | 1,418 |
Irish research and development credits receivable |  |  | 1,164 |  |  |  | 1,177 |
CARES Act employee retention credit receivable |  |  | 3,577 |  |  |  | — |
Other |  |  | — |  |  |  | 775 |
Prepaids and other |  | $ | 6,453 |  |  | $ | 3,370 |
Schedule of Property, Plant and Equipment | Property and equipment consisted of the following components:
|  | Useful Life |  | September 30, |
(Dollars in thousands) |  | (Years) |  | 2021 |  |  | 2020 |
Land |  | N/A |  | $ | 4,419 |  |  | $ | 4,419 |
Laboratory fixtures and equipment |  | 3 to 10 |  |  | 29,482 |  |  |  | 28,600 |
Buildings and improvements |  | 3 to 20 |  |  | 26,573 |  |  |  | 25,638 |
Leasehold improvements |  | 5 to 10 |  |  | 6,499 |  |  |  | 4,836 |
Office furniture and equipment |  | 3 to 10 |  |  | 8,713 |  |  |  | 7,334 |
Construction-in-progress |  |  |  |  | 2,120 |  |  |  | 2,238 |
Less: Accumulated depreciation |  |  |  |  | (47,716 | ) |  |  | (42,962 | )
Property and equipment, net |  |  |  | $ | 30,090 |  |  | $ | 30,103 |
Schedule of Intangible Assets | Intangible assets consisted of the following:
|  | September 30, 2021 |
(Dollars in thousands) |  | Weighted Average Original Life (Years) |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Definite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer lists and relationships |  |  | 8.9 |  |  | $ | 13,216 |  |  | $ | (8,878 | ) |  | $ | 4,338 |
Developed technology |  |  | 11.9 |  |  |  | 36,531 |  |  |  | (5,652 | ) |  |  | 30,879 |
Patents and other |  |  | 14.1 |  |  |  | 3,551 |  |  |  | (2,294 | ) |  |  | 1,257 |
Total definite-lived intangible assets |  |  |  |  |  |  | 53,298 |  |  |  | (16,824 | ) |  |  | 36,474 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names |  |  |  |  |  |  | 580 |  |  |  | — |  |  |  | 580 |
Total intangible assets |  |  |  |  |  | $ | 53,878 |  |  | $ | (16,824 | ) |  | $ | 37,054 |
|  | September 30, 2020 |
(Dollars in thousands) |  | Weighted Average Original Life (Years) |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Definite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer lists and relationships |  |  | 8.9 |  |  | $ | 13,356 |  |  | $ | (7,594 | ) |  | $ | 5,762 |
Developed technology |  |  | 11.5 |  |  |  | 9,685 |  |  |  | (4,200 | ) |  |  | 5,485 |
Patents and other |  |  | 14.1 |  |  |  | 3,551 |  |  |  | (2,095 | ) |  |  | 1,456 |
Total definite-lived intangible assets |  |  |  |  |  |  | 26,592 |  |  |  | (13,889 | ) |  |  | 12,703 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names |  |  |  |  |  |  | 580 |  |  |  | — |  |  |  | 580 |
Total intangible assets |  |  |  |  |  | $ | 27,172 |  |  | $ | (13,889 | ) |  | $ | 13,283 |
Estimated Amortization Expense | Based on the intangible assets in service as of September 30, 2021, estimated amortization expense for future fiscal years is as follows:
(In thousands) |  |  |  |
2022 |  | $ | 4,668 |
2023 |  |  | 4,070 |
2024 |  |  | 3,978 |
2025 |  |  | 3,940 |
2026 |  |  | 2,992 |
Thereafter |  |  | 16,826 |
Definite-lived intangible assets |  | $ | 36,474 |
Schedule of Carrying Amount of Goodwill By Reportable Segment | Changes in the carrying amount of goodwill by segment were as follows:
(In thousands) |  | In Vitro Diagnostics |  |  | Medical Device |  |  | Total |
Goodwill as of September 30, 2019 |  | $ | 8,010 |  |  | $ | 18,161 |  |  | $ | 26,171 |
Foreign currency translation adjustment |  |  | — |  |  |  | 1,014 |  |  |  | 1,014 |
Goodwill as of September 30, 2020 |  |  | 8,010 |  |  |  | 19,175 |  |  |  | 27,185 |
Acquisition of Vetex Medical Limited |  |  | — |  |  |  | 19,089 |  |  |  | 19,089 |
Foreign currency translation adjustment |  |  | — |  |  |  | (668 | ) |  |  | (668 | )
Goodwill as of September 30, 2021 |  | $ | 8,010 |  |  | $ | 37,596 |  |  | $ | 45,606 |
Summary of Other Noncurrent Assets | Other noncurrent assets consisted of the following:
|  | September 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Operating lease right-of-use assets |  | $ | 2,435 |  |  | $ | 2,508 |
Other noncurrent assets |  |  | 1,283 |  |  |  | 1,761 |
Other assets, net |  | $ | 3,718 |  |  | $ | 4,269 |
Schedule of Accrued Other Liabilities | Accrued other liabilities consisted of the following:
|  | September 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Accrued professional fees |  | $ | 489 |  |  | $ | 239 |
Accrued clinical study expense |  |  | 1,667 |  |  |  | 2,206 |
Accrued purchases |  |  | 1,195 |  |  |  | 647 |
Acquisition of in-process research and development and intangible assets |  |  | 494 |  |  |  | 1,148 |
Due to customers |  |  | 112 |  |  |  | 321 |
Construction-in-progress |  |  | 23 |  |  |  | 272 |
Operating lease liability, current portion |  |  | 518 |  |  |  | 436 |
Other |  |  | 407 |  |  |  | 278 |
Total accrued other liabilities |  | $ | 4,905 |  |  | $ | 5,547 |
Schedule of Other Long-term Liabilities | Other long-term liabilities consisted of the following:
|  | September 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Deferred consideration (1) |  | $ | 5,106 |  |  | $ | 2,216 |
Contingent consideration (2) |  |  | 817 |  |  |  | — |
Unrecognized tax benefits (3) |  |  | 2,538 |  |  |  | 2,464 |
Operating lease liabilities |  |  | 3,188 |  |  |  | 3,340 |
Other long-term liabilities |  | $ | 11,649 |  |  | $ | 8,020 |
| (1) | Deferred consideration consists of the present value of guaranteed payments to be made in connection with the fiscal 2021 Vetex acquisition (Note 12) and with in-process R&D technology asset acquisitions in fiscal 2019 and 2018 (Note 11).
| (2) | Contingent consideration consists of the fair value of contingent consideration liabilities associated with the fiscal 2021 Vetex acquisition (Note 5 and Note 12).
| (3) | Balance of unrecognized tax benefits (Note 9) includes accrued interest and penalties, if applicable.
Balance Sheet Classification and Amounts of Right-of-Use Assets and Lease Liabilities | Operating lease right-of-use assets and lease liabilities were as follows:
|  | September 30, |
(In thousands) |  | 2021 |  |  | 2020 |
Right-of-use assets: |  |  |  |  |  |  |  |
Other assets |  | $ | 2,435 |  |  | $ | 2,508 |
Operating lease liabilities: |  |  |  |  |  |  |  |
Other accrued liabilities |  | $ | 518 |  |  | $ | 436 |
Other long-term liabilities |  |  | 3,188 |  |  |  | 3,340 |
Total operating lease liabilities |  | $ | 3,706 |  |  | $ | 3,776 |
Schedule of Operating Lease Maturities | As of September 30, 2021, operating lease maturities were as follows:
(In thousands) |  |  |  |
2022 |  | $ | 657 |
2023 |  |  | 671 |
2024 |  |  | 685 |
2025 |  |  | 699 |
2026 |  |  | 604 |
Thereafter |  |  | 892 |
Total expected operating lease payments |  |  | 4,208 |
Less: Imputed interest |  |  | (502 | )
Total operating lease liabilities |  | $ | 3,706 |
Denominator for Computation of Diluted Weighted Average Shares Outstanding | The following table presents the denominator for the computation of diluted weighted average shares outstanding:
|  | Fiscal Year |
(In thousands) |  | 2021 |  |  | 2020 |  |  | 2019 |
Basic weighted average shares outstanding |  |  | 13,765 |  |  |  | 13,552 |  |  |  | 13,389 |
Dilutive effect of outstanding stock options, non-vested restricted stock, and non-vested restricted stock units |  |  | 224 |  |  |  | 260 |  |  |  | 390 |
Diluted weighted average shares outstanding |  |  | 13,989 |  |  |  | 13,812 |  |  |  | 13,779 |

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