The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Oct. 29, 2021	Oct. 01, 2020
Goodwill [Line Items]
Goodwill	$ 4,219,000		$ 4,219,000
Amortization expense of intangible assets	277,000	$ 80,000
Impairment of intangible assets, finite-lived	$ 0	$ 0
Karani, LLC
Goodwill [Line Items]
Goodwill				$ 2,131,000
Coit Staffing, Inc.
Goodwill [Line Items]
Goodwill					$ 2,088,000