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Business and Product Line Acquisitions - Additional Information (Detail) - USD ($) |  |  |  |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jan. 01, 2019 | Sep. 04, 2018 | Aug. 01, 2018 | Sep. 01, 2017 | Feb. 28, 2019 | Feb. 28, 2019
Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  | 5 years
Maximum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  | 25 years
The University of Queensland Animal Genetics Laboratory |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration for purchase of business |  |  |  | $ 2,063,000 |  |
Cash consideration for purchase of business |  |  |  | 468,000 |  |
Purchase price allocation for inventory |  |  |  | 19,000 |  |
Purchase price allocation for land, property and equipment |  |  |  | 419,000 |  |
Purchase price allocation for non-current liabilities |  |  |  | 1,629,000 |  |
Purchase price allocation for intangible assets |  |  |  | $ 902,000 |  |
The University of Queensland Animal Genetics Laboratory | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  | 5 years |  |
The University of Queensland Animal Genetics Laboratory | Maximum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  | 15 years |  |
Clarus Labs Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash consideration for purchase of business |  |  | $ 4,204,000 |  |  |
Purchase price allocation for inventory |  |  | 32,000 |  |  |
Purchase price allocation for land, property and equipment |  |  | 120,000 |  |  |
Purchase price allocation for intangible assets |  |  | 1,487,000 |  |  |
Contingent consideration potential payment |  |  | 1,300,000 |  |  |
Purchase price allocation for accounts payable |  |  | 53,000 |  |  |
Allocation of purchase price for contingent consideration potential payment |  |  | 1,256,000 |  |  |
Purchase price allocation for deferred tax liability |  |  | 426,000 |  |  |
Purchase price allocation for non-amortizable intangible assets |  |  | $ 878,000 |  |  |
contingent consideration paid |  |  |  |  | $ 90,000 |
Clarus Labs Inc. | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  | 5 years |  |  |
Clarus Labs Inc. | Maximum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  | 15 years |  |  |
Livestock Genetic Services LLC |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash consideration for purchase of business |  | $ 1,100,000 |  |  |  |
Purchase price allocation for intangible assets |  | 860,000 |  |  |  |
Contingent consideration potential payment |  | 385,000 |  |  |  |
Allocation of purchase price for contingent consideration potential payment |  | 385,000 |  |  |  |
Cash paid for purchase of business |  | 700,000 |  |  |  |
Cash payable to former owner for purchase of business |  | $ 400,000 |  |  |  |
Cash payable to former owner for purchase of business, due date |  | Sep. 01, 2019 |  |  |  |
Purchase price allocation for office equipment |  | $ 15,000 |  |  |  |
Livestock Genetic Services LLC | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  | 5 years |  |  |  |
Livestock Genetic Services LLC | Maximum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life |  | 15 years |  |  |  |
Edmonton Albertabased Delta Genomics Centre [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration for purchase of business | $ 1,485,000 |  |  |  |  |
Purchase price allocation for inventory | 38,000 |  |  |  |  |
Purchase price allocation for land, property and equipment | 371,000 |  |  |  |  |
Purchase price allocation for intangible assets | 186,000 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue | $ 125,000 |  |  |  |  |
Edmonton Albertabased Delta Genomics Centre [Member] | Minimum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life | 5 years |  |  |  |  |
Edmonton Albertabased Delta Genomics Centre [Member] | Maximum |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite lived intangible assets, useful life | 10 years |  |  |  |  |

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