SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Customer Revenue and Accounts Receivable Concentrations) (Details) - Customer Concentration Risk [Member]	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Sales Revenue, Net [Member] \| Customer A [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%
Accounts Receivable [Member] \| Customer A [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	21.00%
Accounts Receivable [Member] \| Customer B [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	11.00%
Accounts Receivable [Member] \| Customer C [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		12.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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