SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Narrative) (Details)	12 Months Ended
Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)
SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]
Number of segments \| segment	1
Revenue from sales-type leases	$ 200,000	$ 100,000
Deferred revenue	$ 18,000	$ 6,000

Net Sales Service Revenue and Accounts Receivable [Abstract]

No definition available.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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- Definition

Amount of sales-type lease revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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