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Schedule of Remaining Performance Obligations Expected to be Recognized (Details)	Dec. 31, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining performance obligations related to engineering only paid contracts	$ 411,000
Remaining performance obligations related to partial equipment paid contracts	10,407,000
Total remaining performance obligations	10,818,000
2022 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining performance obligations related to engineering only paid contracts
Remaining performance obligations related to partial equipment paid contracts	9,155,000
Total remaining performance obligations	9,155,000
2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining performance obligations related to engineering only paid contracts	411,000
Remaining performance obligations related to partial equipment paid contracts	1,252,000
Total remaining performance obligations	$ 1,663,000

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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