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ACQUISITION - Narrative (Details) $ in Thousands		3 Months Ended
ACQUISITION - Narrative (Details) $ in Thousands	Oct. 29, 2021 USD ($) employees	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Oct. 01, 2020 USD ($) shares
Business Acquisition [Line Items]
Stock-based compensation		$ 546	$ 302
Salaries and related		18,261	10,590
Restricted common stock
Business Acquisition [Line Items]
Stock-based compensation		42	90
Karani, LLC
Business Acquisition [Line Items]
Payments to acquire businesses	$ 6,805
Promissory note	2,000
Fair value of assets acquired and consideration transferred	8,673
Working capital credit	132
Cash and cash equivalents	737
Transaction costs	200
Revenue since acquisition date		2,568
Earnings (loss) since acquisition date		235
Karani, LLC \| Former Chief Financial Officer
Business Acquisition [Line Items]
Retention payment	$ 250
Karani, LLC \| Installment payable, six month \| Promissory Note
Business Acquisition [Line Items]
Installment payable period	6 months
Karani, LLC \| Installment payable, eighteen month \| Promissory Note
Business Acquisition [Line Items]
Installment payable period	18 months
Karani, LLC \| India
Business Acquisition [Line Items]
Number of employees \| employees	560
Karani, LLC \| Philippines
Business Acquisition [Line Items]
Number of employees \| employees	120
Coit Staffing, Inc.
Business Acquisition [Line Items]
Promissory note							$ 1,350
Fair value of assets acquired and consideration transferred							3,997
Transaction costs							436
Revenue since acquisition date		5,982	1,316
Earnings (loss) since acquisition date		(1,259)	334
Contingent consideration payable, annual payment							$ 450
Earn out payment			200			$ 1,500
Employee agreement				2 years
Stock-based compensation		42	90
Promissory note payment		112
Earn-out payment		508
Contingent consideration payable			91
Salaries and related		$ 662	$ 381
Coit Staffing, Inc. \| Forecast
Business Acquisition [Line Items]
Earn out payment					$ 2,030
Coit Staffing, Inc. \| Restricted common stock
Business Acquisition [Line Items]
Stock granted during period, amount, acquisitions				$ 500
Share-based compensation arrangement award vesting period		30 months
Stock granted during period, shares, acquisitions (shares) \| shares		52,226					52,226
Coit Staffing, Inc. \| Restricted common stock \| First Anniversary
Business Acquisition [Line Items]
Share-based compensation arrangement award vesting period				10 months
Coit Staffing, Inc. \| Restricted common stock \| Second Anniversary
Business Acquisition [Line Items]
Share-based compensation arrangement award vesting period				20 months
Coit Staffing, Inc. \| Restricted common stock \| Third Anniversary
Business Acquisition [Line Items]
Share-based compensation arrangement award vesting period				30 months