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Commitments and Contingencies (Details Narrative) |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Nov. 23, 2015 USD ($) a | May 28, 2014 USD ($) a | Mar. 31, 2021 USD ($) a | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($)
Area of land | a |  |  |  | 15,811 |  |
Description of lease expiring date |  |  |  | Leases expiring on various dates from December 2020 to March 2024. As our leases do not provide a readily determinable implicit rates, we estimate our incremental borrowing rates to discount the lease payments based on information available at lease commencement. Our incremental borrowings rates are 3.9% in 2021 and at a range from 0.5% to 4.5% per annum in 2020, which were used as the discount rates. |  |
Lease rental amount |  |  |  | $ 140,271 | $ 85,558 |
Operating lease terms |  |  |  | 12 months |  |
Operating lease right-of-use asset |  |  |  | $ 722,507 |  | $ 574,754
Operating lease liabilities |  |  |  | 736,561 |  | 574,754
Notes receivable |  |  |  | 669,561 |  | $ 649,569
Minimum [Member] |  |  |  |  |  |
Lease rental amount |  |  |  | 2,265 |  |
Maximum [Member] |  |  |  |  |  |
Lease rental amount |  |  |  | $ 23,297 |  |
Lots Sales Agreement [Member] |  |  |  |  |  |
Description of real estate improvements | On December 31, 2018, SeD Maryland entered into the Third Amendment to the Lot Purchase Agreement for Ballenger Run with NVR. Pursuant to the Third Amendment, SeD Maryland will convert the 5.9 acre CCRC parcel to 36 lots (the 28 feet wide villa lot) and sell to NVR. |  |  |  |  |
Lots Sales Agreement [Member] | SeD Maryland Development LLC [Member] | Ballenger Run [Member] |  |  |  |  |  |
Payments to acquire real estate |  | $ 15,700,000 |  |  |  |
Area of land | a |  | 197 |  |  |  |
Lots Sales Agreement [Member] | NVR Inc. [Member] | Ballenger Run [Member] |  |  |  |  |  |
Payments to acquire real estate |  |  | $ 15,000,000 |  |  |
Area of land | a |  |  | 197 |  |  |

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