ACQUISITION (Intangible Assets Acquired) (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Intangible assets acquired			$ 4,540	$ 1,480
Karani, LLC
Business Acquisition [Line Items]
Intangible assets acquired	$ 4,540
Coit Staffing, Inc.
Business Acquisition [Line Items]
Intangible assets acquired		$ 1,480
Developed Technology
Business Acquisition [Line Items]
Intangible assets acquired			640
Developed Technology | Karani, LLC
Business Acquisition [Line Items]
Intangible assets acquired	$ 640
Useful Life	3 years
Customer lists
Business Acquisition [Line Items]
Intangible assets acquired			2,800	1,000
Customer lists | Karani, LLC
Business Acquisition [Line Items]
Intangible assets acquired	$ 2,800
Useful Life	6 years
Customer lists | Coit Staffing, Inc.
Business Acquisition [Line Items]
Intangible assets acquired		$ 1,000
Useful Life		5 years
Trade name
Business Acquisition [Line Items]
Intangible assets acquired			1,100	400
Trade name | Karani, LLC
Business Acquisition [Line Items]
Intangible assets acquired	$ 1,100
Useful Life	10 years
Trade name | Coit Staffing, Inc.
Business Acquisition [Line Items]
Intangible assets acquired		$ 400
Useful Life		5 years
Non-compete agreements
Business Acquisition [Line Items]
Intangible assets acquired			$ 0	$ 80
Non-compete agreements | Coit Staffing, Inc.
Business Acquisition [Line Items]
Intangible assets acquired		$ 80
Useful Life		2 years