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Construction Backlog (Details 1)	Jun. 30, 2021 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total Backlog	$ 21,035,831
Within 1 year [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total Backlog	8,179,581
1 to 2 years [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total Backlog	$ 12,856,250

X

- 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=123351226&loc=SL49130556-203045

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+ References

No definition available.

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