CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND NONCONTROLLING INTEREST - USD ($)	Preferred Shares	Common Shares	Additional paid-in capital	Accumulated deficit.	Accumulated Other Comprehensive Loss	Noncontrolling Interest	Total
Balance at Sep. 30, 2020	$ 25,000	$ 2,706,000	$ 26,775,000	$ (21,910,000)			$ 7,596,000
Balance (in shares) at Sep. 30, 2020	25	10,977,675
Consolidated net income (loss)	$ 0	$ 0	0	(366,000)	$ 0	$ 0	(366,000)
Stock option exercises		$ 6,000	39,000	0			45,000
Stock option exercises (in shares)		23,350
Issuance of stock under employee stock plans (in shares)	0	116,974
Stock based compensation	$ 0	$ 29,000	152,000	0	0	0	181,000
Balance at Dec. 31, 2020	$ 25,000	$ 2,741,000	26,966,000	(22,276,000)			7,456,000
Balance (in shares) at Dec. 31, 2020	25	11,117,999
Balance at Sep. 30, 2021	$ 0	$ 3,945,000	112,198,000	(11,015,000)			105,128,000
Balance (in shares) at Sep. 30, 2021	0	15,931,485
Consolidated net income (loss)	$ 0	$ 0	0	(83,411,000)		364,000	(83,047,000)
Stock issued in acquisition	$ 0	$ 2,094,000	459,289,000	0			$ 461,383,000
Stock issued in acquisition (In shares)	0	8,374,138					8,374,138
Non-controlling interest related to Envigo acquisition	$ 0	$ 0	0	0		(983,000)	$ (983,000)
Issuance of stock under employee stock plans	$ 0	$ 11,000	38,000	0			49,000
Issuance of stock under employee stock plans (in shares)	0	42,971
Stock based compensation	$ 0	$ 0	19,160,000	0			19,160,000
Pension cost amortization	0	0	0	0	(110,000)		(110,000)
Foreign currency translation	0	0	0	0	247,000		247,000
Reclassification of convertible note embedded derivative to equity (Note 7)	0	0	88,576,000	0			88,576,000
Balance at Dec. 31, 2021	$ 0	$ 6,050,000	$ 679,261,000	$ (94,426,000)	$ 137,000	$ (619,000)	$ 590,403,000
Balance (in shares) at Dec. 31, 2021	0	24,348,594