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Amount of equity interests of the acquirer related to stock options issued in consideration for the business combination.

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Number of board members.

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Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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Number of shares of equity interests issued or issuable to acquire entity.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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Face (par) amount of debt instrument at time of issuance.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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SUBSEQUENT EVENTS (Details)				12 Months Ended
SUBSEQUENT EVENTS (Details)	Nov. 05, 2021 USD ($) $ / shares shares	Nov. 04, 2021 USD ($) item shares	Oct. 04, 2021 USD ($) shares	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($) shares	Nov. 03, 2021 USD ($) shares
SUBSEQUENT EVENTS
Consideration in cash				$ 41,590,000	$ 3,931,000
Common Stock, Shares Authorized \| shares				19,000,000	19,000,000
2018 Equity Incentive Plan
SUBSEQUENT EVENTS
Number of shares added under amended and restated plan \| shares		1,500,000		700,000
Envigo
SUBSEQUENT EVENTS
Transaction costs				$ 4,124,000
Subsequent events
SUBSEQUENT EVENTS
Common and preferred shares authorized		$ 75,000,000				$ 20,000,000
Common Stock, Shares Authorized \| shares		74,000,000				19,000,000
Preferred Stock, Shares Authorized \| shares		1,000,000				1,000,000
Number of shares added under amended and restated plan \| shares		1,500,000
Subsequent events \| Revolving Facility
SUBSEQUENT EVENTS
Principal amount of revolving loan facility	$ 15,000,000
Maximum amount of line of credit	25,000,000
Subsequent events \| Plato BioPharma Inc
SUBSEQUENT EVENTS
Transaction consideration in business acquisition			$ 15,000,000
Consideration in cash			$ 10,000,000
Shares issued \| shares			57,587
Common shares value			$ 2,000,000
Weighted average closing price of shares			20 days
Liabilities incurred			$ 3,000,000
Subsequent events \| Envigo
SUBSEQUENT EVENTS
Consideration in cash	$ 205,200,000
Shares issued \| shares	8,245,918
Adjustments for net working capital	$ 13,000,000
Shares issuable upon exercise of stock options \| shares	790,620
Exercised weighted-average exercise price (in dollars per share) \| $ / shares	$ 44.80
Stock issued in acquisition (In shares) \| shares	8,245,918
Stock price on acquisition date (per share) \| $ / shares	$ 53.31
Value of shares issued upon exercise of stock options included in consideration transferred	$ 19,500,000
Number of board members \| item		7
Subsequent events \| Term Loan
SUBSEQUENT EVENTS
Principal amount	165,000,000
Subsequent events \| Delayed Draw Term Loan
SUBSEQUENT EVENTS
Principal amount	$ 35,000,000
Maximum term for drawing loan facility	18 months