STOCK-BASED COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		12 Months Ended
	Nov. 04, 2021	Nov. 30, 2021	Mar. 31, 2020	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares added under amended and restated plan (in shares)	1,500,000
Stock-based compensation costs capitalized				$ 0	$ 0
Weighted average estimated fair value of stock options granted (in dollars per share)				$ 5.72	$ 32.56
Aggregate intrinsic value exercised				$ 230	$ 1,830
2018 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares added under amended and restated plan (in shares)		1,500,000	700,000
2021 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares remained available for grants (in shares)				362,361
Stock Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period ( in years )				3 years
Period over which options expire				10 years
Expiration period, post termination				30 days
Stock Options | Envigo
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Period over which options expire				10 years
Expiration period, post termination				1 year
Restricted Shares (in thousands)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period ( in years )				2 years
Shares granted, value				$ 0
Unrecognized compensation expense expected to vest				$ 124
Time over which unrecognized compensation expense expected to vest (in years)				8 months 12 days
Fair value of restricted shares granted				$ 102	1,197
Fair value of restricted shares vested				620	4,580
Restricted Stock Units (in thousands)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares granted, value				0
Unrecognized compensation expense expected to vest				$ 10,141
Time over which unrecognized compensation expense expected to vest (in years)				2 years 6 months 14 days
Fair value of restricted shares granted				$ 3,908	13,067
Fair value of restricted shares vested				$ 940	$ 0
Restricted Stock Units (in thousands) | Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period ( in years )				1 year
Restricted Stock Units (in thousands) | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period ( in years )				5 years