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Basis of Presentation; Summary of Significant Accounting Policies - Schedule of Remaining Performance Obligations Expected to be Recognized (Details) | Dec. 31, 2020 USD ($)
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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Remaining performance obligations related to engineering only paid contracts | $ 2,643,000
Remaining performance obligations related to partial equipment paid contracts | 5,805,000
Total remaining performance obligations | 8,448,000
2021 [Member] |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Remaining performance obligations related to engineering only paid contracts | 2,355,000
Remaining performance obligations related to partial equipment paid contracts | 5,703,000
Total remaining performance obligations | 8,058,000
2022 [Member] |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Remaining performance obligations related to engineering only paid contracts | 288,000
Remaining performance obligations related to partial equipment paid contracts | 102,000
Total remaining performance obligations | $ 390,000

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References 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=121604090&loc=SL49130556-203045 + Details
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