OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value Roll Forward (Details) $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($)
Contingent Consideration \| Lacuna Diagnostics, Inc.
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 0
Acquisition value	1,700
Cash payments	0
Changes in fair value	(744)
Ending balance	956
Contingent Consideration \| BiEsseA s.r.1.
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0
Acquisition value	2,334
Cash payments	0
Changes in fair value	0
Ending balance	2,334
Long-term Debt
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0
Acquisition value	15,900
Cash payments	0
Changes in fair value	0
Ending balance	15,900
Derivative Financial Instruments, Assets \| Convertible Note Receivable
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	1,194
Acquisition value	0
Cash payments	0
Changes in fair value	(207)
Ending balance	987
Derivative Financial Instruments, Assets \| Promissory Note Receivable
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0
Acquisition value	307
Cash payments	0
Changes in fair value	89
Ending balance	$ 396

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Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Acquisitions

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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