Subsequent Events (Details Narrative) $ / shares in Units, $ in Thousands											3 Months Ended	12 Months Ended
	May 10, 2019 shares	May 06, 2019 USD ($) shares	May 02, 2019 USD ($) a shares	Apr. 29, 2019 USD ($) a	Apr. 05, 2019 $ / shares shares	Mar. 13, 2019 shares	Jan. 31, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jan. 30, 2018 USD ($)	Jan. 02, 2018 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) shares
Number of securities issued, value | $											$ 2,003
Debt instrument maturity terms											Apr. 10, 2020
Series A Preferred Stock [Member]
Number of securities issued												27,898
1039 Atwater Property [Member] | Investment Properties [Member]
Carrying value of property | $											$ 430
Subsequent Event [Member] | Series B Non-Voting Convertible Preferred Stock [Member]
Issued price (in dollars per share) | $ / shares					$ 10.00
Description of voting right					Have no voting rights other than to approve the amendment to the Company’s articles of incorporation that change any of the terms and provisions of the Non-Voting Series B Preferred Stock in a manner that is adverse to the holders of the Non-Voting Series B Preferred Stock, which approval may be effected by the holders of a majority of the issued and outstanding shares of Non-Voting Series B Preferred Stock.
Description of conversion terms					The “Series B Conversion Rate” means 24.4233:1 so that each share of Non-Voting Series B Preferred Stock will be converted into 24.4233 shares of common stock, subject to adjustment for any stock splits, stock combinations, recapitalizations or similar transactions, or as provided in the Certificate of Designation.
Subsequent Event [Member] | 7% Series A Preferred Stock [Member]
Number of securities issued					1,600,000
Issued price (in dollars per share) | $ / shares					$ 25.00
Debt instrument interest rate					7.00%
Subsequent Event [Member] | 7% Series A Preferred Stock [Member] | Minimum [Member]
Debt instrument increase in interest rate					0.25%
Subsequent Event [Member] | 7% Series A Preferred Stock [Member] | Maximum [Member]
Debt instrument increase in interest rate					12.00%
Subsequent Event [Member] | 10% Series C Preferred Stock [Member]
Number of securities issued					11,000,000
Issued price (in dollars per share) | $ / shares					$ 10.00
Debt instrument interest rate					10.00%
Percentage of cash dividend					8.00%
Percentage of dividend paid in kind					2.00%
Description of voting right					Entitled to cast the number of votes equal to the number of whole shares of common stock into which the shares of 10% Series C Preferred Stock held by such holder are convertible as of the record date for determining stockholders entitled to vote on such matter (subject to the conversion limitations described below) and shall be entitled to notice of any stockholders’ meeting.
Description of conversion terms					All of the shares of 10% Series C Preferred Stock shall automatically be converted without any action on the part of holders into shares of common stock at the applicable Series C Conversion Rate upon the first to occur of: (i) the thirtieth (30th) day after the listing of the common stock on a national exchange; or (ii) the closing date of an underwritten public offering of the common stock providing aggregate gross proceeds to the Company equal to, or in excess of, $15,000,000. The “Series C Conversion Rate” means the number of shares of common stock equal to the Series C Original Issue Price divided by eighty percent (80%) of: (x) the VWAP per share of common stock during the twenty (20) consecutive trading days prior to the applicable conversion date, or (y) in the event of an automatic conversion occurring based on the event described clause (ii) above, the price per share in the public offering. In addition, from and after the date that is thirty (30) consecutive trading days after the date that the common stock is listed or admitted for trading on any trading market (which includes OTC markets), holders of 10% Series C Preferred Stock, at their option, and subject to the conversion limitations set forth below, may, at any time and from time to time, convert some or all of their outstanding shares of 10% Series C Preferred Stock into common stock at the then applicable Series C Conversion Rate. VWAP is defined, generally, under the Series C Certificate of Designation as the volume weighted average price for common stock on the applicable trading market (which includes OTC markets), or if the common stock is not so listed and admitted for trading, then other cases, the fair value of a share of common stock as determined in good faith by the board of directors; provided that if the common stock is not listed or quoted on a trading market, then the VWAP is subject to a minimum price per share of $0.05.
Percentage of beneficial ownership limitation					4.99%
FHDC Group, LLC [Member]
Purchase price | $							$ 240
Gadsden Roseville, LLC And Gadsden Jesse, LLC [Member]
Purchase price | $								$ 3,408
Gadsden Roseville, LLC [Member] | Roseville Loan [Member]
Purchase price | $									$ 450
Debt instrument maturity terms									Sep. 01, 2014
Gadsden Roseville, LLC [Member] | Jessie Loan [Member]
Purchase price | $									$ 770
Debt instrument interest rate									12.00%
Debt instrument maturity terms									Oct. 01, 2013
Gadsden Roseville, LLC [Member] | Roseville Loan And Jessie Loan [Member]
Contractual obligation | $												$ 1,867
Gadsden Roseville, LLC [Member] | Series A Preferred Stock [Member]
Purchase price | $									$ 1,223
Construction Loan Agreement [Member] | Parkview Financial Fund [Member]
Maximum amount of loans | $										$ 65,000
Borrowed | $										$ 35,300
Maturity terms of borrowing										Jul. 31, 2019
Extension fee of borrowing | $										$ 680
Sales Contract [Member] | Subsequent Event [Member] | 715 Atwater Property [Member]
Purchase price | $				$ 225
Area of land | a				0
Sales Contract [Member] | Subsequent Event [Member] | 1039 Atwater Property [Member]
Purchase price | $			$ 430
Area of land | a			1
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member]
Number of securities issued						229,101,205
Description of Contract NAV						If the Contract NAV is more than the Gadsden final net asset value, then the difference (the “Shortfall”) will be settled by the transfer of shares of the Company’s common stock, at a value equal to 3.771023733 shares of common stock for each $1.00 of Shortfall if the Gadsden final net asset value is $80 million or more (and 2.860407207 for each $1.00 of Shortfall to the extent that the Gadsden final net asset value is less $80 million).
Description of loss determination						(i) if the Company’s Board determines that the amount of the loss will be paid in cash, then such amount will be paid by check payable to the order of Gadsden or the Company’s legacy stockholders; or (ii) if the Company’s Board does not determine that the amount of the loss will be paid in cash, then such amount will be paid by the Company issuing and delivering shares of common stock with an aggregate fair value equal to the amount of the loss to Gadsden or the Company’s legacy stockholders. The Gadsden Purchase Agreement provides that no loss will be determined until the aggregate amount of losses claimed exceeds $100, it being acknowledged that from and after such threshold, all losses shall be subject to adjustment as set forth above.
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | 7% Series A Cumulative Convertible Perpetual Preferred Stock [Member]
Number of shares issued in acquisition						889,075
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | Series B Non-Voting Convertible Preferred Stock [Member]
Number of shares issued in acquisition						11,696,944
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | 10% Series C Cumulative Convertible Preferred Stock [Member]
Number of shares issued in acquisition						2,498,682
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | Common Stock [Member]
Ownership percentage						96.25%
Number of securities issued						430,306,645
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | Holdback Shares [Member]
Number of shares issued in acquisition						278,178,750
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | Not Gadsden Specified Account [Member]
Number of securities issued						229,101,205
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | Gadsden Specified Account [Member]
Number of securities issued						110,477,220
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | Subsequent Event [Member] | Series B Non-Voting Convertible Preferred Stock [Member]
Number of securities issued		49
Number of securities issued, value | $		$ 212
Stock Purchase Agreement [Member] | Gadsden Growth Properties, Inc. [Member] | Subsequent Event [Member] | Gadsden Specified Account [Member]
Number of shares cancel			201,205,440
Stock Purchase Agreement Amendment 2 [Member] | Gadsden Growth Properties, Inc. [Member] | 7% Series A Cumulative Convertible Perpetual Preferred Stock [Member]
Number of shares issued in acquisition						889,075
Stock Purchase Agreement Amendment 2 [Member] | Gadsden Growth Properties, Inc. [Member] | Series B Non-Voting Convertible Preferred Stock [Member]
Number of shares issued in acquisition						6,264,993
Stock Purchase Agreement Amendment 2 [Member] | Gadsden Growth Properties, Inc. [Member] | Series B Non-Voting Convertible Preferred Stock [Member] | FHDC Group, LLC [Member]
Number of shares issued in acquisition						5,432,000
Stock Purchase Agreement Amendment 2 [Member] | Gadsden Growth Properties, Inc. [Member] | 10% Series C Cumulative Convertible Preferred Stock [Member]
Number of shares issued in acquisition						498,682
Stock Purchase Agreement Amendment 2 [Member] | Gadsden Growth Properties, Inc. [Member] | 10% Series C Cumulative Convertible Preferred Stock [Member] | FHDC Group, LLC [Member]
Number of shares issued in acquisition						2,000,000
Stock Purchase Agreement Amendment 2 [Member] | Gadsden Growth Properties, Inc. [Member] | Subsequent Event [Member] | Series B Non-Voting Convertible Preferred Stock [Member] | FHDC Group, LLC [Member]
Number of share conversion	132,667,366
Number of shares cancel			5,432,000
Stock Purchase Agreement Amendment 2 [Member] | Gadsden Growth Properties, Inc. [Member] | Subsequent Event [Member] | 10% Series C Cumulative Convertible Preferred Stock [Member] | FHDC Group, LLC [Member]
Number of shares cancel			2,000,000