BUSINESS COMBINATIONS - Preliminary fair value of assets acquired and liabilities assumed (Details) $ in Thousands	Dec. 31, 2021 USD ($)
HistoTox Labs
Assets acquired and liabilities assumed:
Accounts receivable	$ 982
Unbilled receivables	337
Operating lease ROU asset	2,239
Property and equipment	4,021
Intangible assets	8,500
Other assets	25
Goodwill	9,129
Accounts payable	(132)
Accrued expenses	(266)
Customer advances	(207)
Operating lease liability	(2,239)
Total	22,389
Bolder BioPATH
Assets acquired and liabilities assumed:
Accounts receivable	2,258
Unbilled receivables	1,798
Prepaid expenses and other current assets	6
Operating lease ROU asset	2,750
Property and equipment	6,609
Intangible assets	12,500
Other assets	70
Goodwill	36,223
Accounts payable	(159)
Accrued expenses	(294)
Deferred revenue	(662)
Deferred tax liability	(4,867)
Operating lease liability	(2,750)
Total	53,482
Gateway Pharmacology Laboratories LLC
Assets acquired and liabilities assumed:
Accounts receivable	422
Operating lease ROU asset	120
Property and equipment	359
Intangible assets	100
Other assets	9
Goodwill	2,207
Accounts payable	(54)
Accrued expenses	(72)
Deferred tax liability	(118)
Operating lease liability	(120)
Total	2,853
BioReliance Corporation
Assets acquired and liabilities assumed:
Property and equipment	175
Intangible assets	640
Total	815
Plato BioPharma Inc
Assets acquired and liabilities assumed:
Cash and equivalents assumed	1,027
Accounts receivable	842
Operating lease ROU asset	2,582
Property and equipment	1,148
Intangible assets	5,100
Goodwill	8,898
Deferred tax liability	(1,551)
Operating lease liability	(2,566)
Other liabilities, net	(242)
Total	15,238
Envigo RMS Holding Corp
Assets acquired and liabilities assumed:
Cash and equivalents assumed	3,287
Accounts receivable	44,734
Inventory	35,739
Prepaid expenses and other current assets	18,758
Operating lease ROU asset	7,231
Property and equipment	80,712
Intangible assets	184,000
Other assets	9,078
Goodwill	390,037
Accounts payable	(17,743)
Accrued expenses and other liabilities	(25,884)
Fees invoiced in advance	(7,283)
Long-term deferred tax liabilities	(41,379)
Operating lease liability	(2,600)
Long-term operating leases, net	(4,631)
Non-controlling interest	915
Total	674,971
Robinson Services, Inc.
Assets acquired and liabilities assumed:
Customer relationship	4,700
Non-complete agreement	300
Supply agreement	200
Goodwill	948
Total	$ 6,148