BUSINESS COMBINATIONS - Preliminary purchase price (Details) - USD ($) $ in Thousands	Jun. 30, 2021	May 03, 2021
Pre-Clinical Research Services, Inc.
Assets acquired and liabilities assumed:
Cash and cash equivalents	$ 1,500
Receivables	578
Property and equipment	2,836
Unbilled receivables	162
Prepaid expenses	27
Intangible assets	2,081
Goodwill	751
Accounts payable	(109)
Accrued expenses	(118)
Customer advances	(351)
Total	5,857
HistoTox Labs
Assets acquired and liabilities assumed:
Receivables	1,020
Property and equipment	4,021
Prepaid expenses	40
Operating lease ROU	2,239
Intangible assets	8,500
Other	35
Goodwill	9,386
Accounts payable	(128)
Customer advances	(553)
Operating lease liability	(2,239)
Total	22,321
Bolder BioPATH
Assets acquired and liabilities assumed:
Cash and cash equivalents	124	$ 18,500
Receivables	2,278
Property and equipment	6,609
Unbilled receivables	1,867
Prepaid expenses	103
Operating lease ROU	2,750
Intangible assets	12,500
Other	70
Goodwill	36,863
Accounts payable	(93)
Accrued expenses	(279)
Deferred revenue	(723)
Deferred tax liability	(4,867)
Operating lease liability	(2,750)
Total	$ 54,452