Description of real estate improvements.

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Area of land held.

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- Definition

Description of lessee's operating lease.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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- Definition

Cash payments to lessor's for use of assets under operating leases.

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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Commitments and Contingencies (Details Narrative)				3 Months Ended
Commitments and Contingencies (Details Narrative)	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