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Business and Product Line Acquisitions - Additional Information (Detail) - USD ($) |  |  |  |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Sep. 01, 2019 | Jan. 01, 2019 | Sep. 04, 2018 | Aug. 01, 2018 | Feb. 28, 2019 | Nov. 30, 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
Clarus Labs Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash consideration for purchase of business |  |  |  | $ 4,204,000 |  |
Contingent consideration potential payment |  |  |  | 1,256,000,000,000 |  |
Purchase price allocation for inventory |  |  |  | 32,000 |  |
Purchase price allocation for land, property and equipment |  |  |  | 120,000 |  |
Allocation of purchase price for contingent consideration potential payment |  |  |  | 1,256,000 |  |
Purchase price allocation for intangible assets |  |  |  | 1,487,000 |  |
Purchase price allocation for non-amortizable intangible assets |  |  |  | 878,000 |  |
Purchase price allocation for accounts payable |  |  |  | 53,000 |  |
Purchase price allocation for deferred tax liability |  |  |  | $ 544,000 |  |
Contingent consideration paid |  |  |  |  | $ 180,000 |
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 |  |  |
Contingent consideration potential payment |  |  | 585,000 |  |  |
Allocation of purchase price for contingent consideration potential payment |  |  | 385,000 |  |  |
Purchase price allocation for intangible assets |  |  | 942,000 |  |  |
Cash payable to former owner for purchase of business |  |  | 400,000 |  |  |
Cash paid for purchase of business |  |  | $ 700,000 |  |  |
Contingent consideration paid | $ 107,000 |  |  |  |  |
Cash payable to former owner for purchase of business, due date |  |  | Sep. 01, 2019 |  |  |
Purchase price allocation for office equipment |  |  | $ 15,000 |  |  |
Second installment paid | $ 400,000 |  |  |  |  |
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] |  |  |  |  |  |
Cash 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 |  | 532,000 |  |  |  |
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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- Definition Amount of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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