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v3.21.2

Liquidity (Details) | Jun. 30, 2021 USD ($)
--- | ---
Liquidity [Line Items] |
Total Backlog | $ 21,035,831
Within 1 year [Member] |
Liquidity [Line Items] |
Total Backlog | 8,179,581
1 to 2 years [Member] |
Liquidity [Line Items] |
Total Backlog | $ 12,856,250

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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=123351226&loc=SL49130556-203045 + Details
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