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Subsequent Event (Details) | 12 Months Ended
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Dec. 31, 2020 USD ($) shares
Subsequent Event [Line Items] |
Proceeds from the exercise of warrants | $ | $ 703,437
Shares of common stock | shares | 225,100
SGB Development Corp. [Member] |
Subsequent Event [Line Items] |
Subsequent event, description | the Company has formed SGB Development Corp. (“Development”). Development will provide real property development to low and moderate income housing. The projects for Development will be built by SG Echo. In addition, Development has entered into a contract to acquire and develop an approximately 7-acre site in Austin, Texas, which is expected to yield a maximum of 225 condo units.
Echo’s real estate holdings [Member] |
Subsequent Event [Line Items] |
Subsequent event, description | <span style="color: #000000; font-family: 'Times New Roman', serif; font-size: 13.3333px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 48px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;">The Company executed our option to acquire Echo’s real estate holdings in Durant, OK, consisting of a<span> </span></span><span>19</span><span style="color: #000000; font-family: 'Times New Roman', serif; font-size: 13.3333px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 48px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;">-acre site and all of its structures and we expect to close on the Echo site in the second quarter of<span> </span></span><span>2021</span><span style="color: #000000; font-family: 'Times New Roman', serif; font-size: 13.3333px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 48px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;">.</span>

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- Details
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