v3.8.0.1

Summary of Significant Accounting Policies and Select Balance Sheet Information (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2017
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 as of September 30, 2017 and 2016 were as follows (in thousands):
|  | September 30, 2017 |
(Dollars in thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |
Commercial paper and corporate bonds |  | $ | 31,817 |  |  | $ | — |  |  | $ | (15 | ) |  | $ | 31,802 |
Total |  | $ | 31,817 |  |  | $ | — |  |  | $ | (15 | ) |  | $ | 31,802 |
|  | September 30, 2016 |
(Dollars in thousands) |  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |
Commercial paper and corporate bonds |  | $ | 22,019 |  |  | $ | — |  |  | $ | (65 | ) |  | $ | 21,954 |
Total |  | $ | 22,019 |  |  | $ | — |  |  | $ | (65 | ) |  | $ | 21,954 |
Components of Inventories | Inventories consisted of the following components as of September 30 (in thousands):
|  | 2017 |  |  | 2016 |
Raw materials |  | $ | 1,603 |  |  | $ | 1,766 |
Work in-process |  |  | 659 |  |  |  | 492 |
Finished products |  |  | 1,254 |  |  |  | 1,321 |
Total |  | $ | 3,516 |  |  | $ | 3,579 |
Schedule of Property, Plant and Equipment | Property and equipment consisted of the following components as of September 30 (in thousands):
|  | Useful Life |  | 2017 |  |  | 2016 |
|  | (In years) |  |  |  |  |  |  |  |
Land |  | N/A |  | $ | 4,420 |  |  | $ | 4,359 |
Laboratory fixtures and equipment |  | 3 to 10 |  |  | 19,491 |  |  |  | 15,243 |
Buildings and improvements |  | 3 to 20 |  |  | 21,924 |  |  |  | 19,589 |
Office furniture and equipment |  | 3 to 10 |  |  | 4,541 |  |  |  | 3,948 |
Construction-in-progress |  |  |  |  | 2,493 |  |  |  | 3,441 |
Less accumulated depreciation |  |  |  |  | (29,927 | ) |  |  | (26,979 | )
Property and equipment, net |  |  |  | $ | 22,942 |  |  | $ | 19,601 |
Summary of Other Assets | Other assets consist principally of the following as of September 30 (in thousands):
|  | 2017 |  |  | 2016 |
ViaCyte, Inc. |  | $ | 479 |  |  | $ | 479 |
Other noncurrent assets |  |  | 418 |  |  |  | 149 |
Other assets, net |  | $ | 897 |  |  | $ | 628 |
Schedule of Intangible Assets | Intangible assets consisted of the following as of September 30 (in thousands):
|  | 2017 |
|  | Weighted Average Original Life (Years) |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Definite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer lists and relationships |  |  | 8.9 |  |  | $ | 18,293 |  |  | $ | (7,834 | ) |  | $ | 10,459 |
Developed technology |  |  | 11.7 |  |  |  | 9,297 |  |  |  | (1,478 | ) |  |  | 7,819 |
Non-compete |  |  | 5.0 |  |  |  | 230 |  |  |  | (103 | ) |  |  | 127 |
Patents and other |  |  | 16.5 |  |  |  | 2,321 |  |  |  | (1,423 | ) |  |  | 898 |
Subtotal |  |  |  |  |  |  | 30,141 |  |  |  | (10,838 | ) |  |  | 19,303 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
In-process research and development |  |  |  |  |  |  | 679 |  |  |  | — |  |  |  | 679 |
Trademarks and trade names |  |  |  |  |  |  | 580 |  |  |  | — |  |  |  | 580 |
Total |  |  |  |  |  | $ | 31,400 |  |  | $ | (10,838 | ) |  | $ | 20,562 |
|  | 2016 |
|  | Weighted Average Original Life (Years) |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Definite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer lists and relationships |  |  | 8.9 |  |  | $ | 17,692 |  |  | $ | (6,123 | ) |  | $ | 11,569 |
Core technology |  |  | 8.0 |  |  |  | 530 |  |  |  | (530 | ) |  |  | — |
Developed technology |  |  | 11.8 |  |  |  | 8,724 |  |  |  | (618 | ) |  |  | 8,106 |
Non-compete |  |  | 5.0 |  |  |  | 230 |  |  |  | (58 | ) |  |  | 172 |
Patents and other |  |  | 16.5 |  |  |  | 2,321 |  |  |  | (1,275 | ) |  |  | 1,046 |
Subtotal |  |  |  |  |  |  | 29,497 |  |  |  | (8,604 | ) |  |  | 20,893 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
In-process research and development |  |  |  |  |  |  | 987 |  |  |  | — |  |  |  | 987 |
Trademarks and trade names |  |  |  |  |  |  | 645 |  |  |  | — |  |  |  | 645 |
Total |  |  |  |  |  | $ | 31,129 |  |  | $ | (8,604 | ) |  | $ | 22,525 |
Estimated Amortization Expense | Based on the intangible assets in service, excluding any possible future amortization associated with acquired IPR&D, which has not met technological feasibility as of September 30, 2017, estimated amortization expense for each of the next five fiscal years is as follows (in thousands):
2018 |  | $ | 2,661 |
2019 |  |  | 2,661 |
2020 |  |  | 2,486 |
2021 |  |  | 2,347 |
2022 |  |  | 2,307 |
Schedule Of Carrying Amount Of Goodwill By Segment | The change in the carrying amount of goodwill by segment for the years ended September 30, 2017 and 2016 was as follows (in thousands):
(Dollars in thousands) |  | In Vitro Diagnostics |  |  | Medical Device |  |  | Total |
Balance as of September 30, 2015 |  | $ | 8,010 |  |  | $ | — |  |  | $ | 8,010 |
Additions (See Note 3) |  |  | — |  |  |  | 17,892 |  |  |  | 17,892 |
Foreign currency translation adjustment |  |  | — |  |  |  | 653 |  |  |  | 653 |
Balance as of September 30, 2016 |  |  | 8,010 |  |  |  | 18,545 |  |  |  | 26,555 |
Foreign currency translation adjustment |  |  | — |  |  |  | 727 |  |  |  | 727 |
Balance as of September 30, 2017 |  | $ | 8,010 |  |  | $ | 19,272 |  |  | $ | 27,282 |
Schedule of Other Accrued Liabilities | Other accrued liabilities consisted of the following as of September 30 (in thousands):
|  | 2017 |  |  | 2016 |
Accrued professional fees |  | $ | 501 |  |  | $ | 262 |
Accrued clinical study expense |  |  | 411 |  |  |  | 283 |
Accrued inventory purchases |  |  | 596 |  |  |  | 315 |
Due to customers |  |  | 41 |  |  |  | 881 |
Deferred revenue |  |  | 62 |  |  |  | 180 |
Other |  |  | 224 |  |  |  | 249 |
Total |  | $ | 1,835 |  |  | $ | 2,170 |
Denominator for Computation of Basic and Diluted Income Per Share | The following table sets forth the denominator for the computation of basic and diluted income per share for each of the fiscal years ended September 30 (in thousands):
|  | 2017 |  |  | 2016 |  |  | 2015 |
Net income from continuing operations available to common shareholders |  | $ | 3,926 |  |  | $ | 9,985 |  |  | $ | 11,947 |
Basic weighted average shares outstanding |  |  | 13,153 |  |  |  | 12,998 |  |  |  | 13,029 |
Dilutive effect of outstanding stock options, non-vested restricted stock, restricted stock units and performance shares |  |  | 236 |  |  |  | 221 |  |  |  | 260 |
Diluted weighted average shares outstanding |  |  | 13,389 |  |  |  | 13,219 |  |  |  | 13,289 |

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration