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COMMITMENTS AND CONTINGENCIES - Contingent Consideration (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Contingent Consideration
Contingent consideration paid		$ 865	$ 1,200
Experton
Contingent Consideration
Contingent consideration paid	$ 300
Percentage of contingent consideration made in shares of common stock	50.00%
TracePoint
Contingent Consideration
Contingent consideration paid	$ 1,500
Percentage of contingent consideration made in shares of common stock	50.00%

X

- Definition

Percentage of contingent consideration made in shares of common stock

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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