Asset Acquisitions (Details Narrative) $ in Thousands					6 Months Ended	12 Months Ended
	Jul. 18, 2019 shares	Jul. 03, 2019 USD ($) shares	Dec. 28, 2018 USD ($)	Jul. 10, 2018 USD ($) ft² shares	Jun. 30, 2019 USD ($) ft² Number shares	Dec. 31, 2018 USD ($)	Jan. 31, 2019 USD ($) shares	Jan. 31, 2018 USD ($)
Asset in development					$ 128,354
Description of purchase agreement					Gadsden agreed to certain tag along rights in which the seller could participate in the sale of any shares of common stock by the Company not to exceed 5,000,000 shares when net proceeds from any offering of the Company that exceeds $25,000. The agreement also provides for additional consideration of 50% up to $1,000 of any offering that exceeds $5,000 is raised within one year of asset acquisition closing.
Construction Loan Agreement [Member] | Parkview Financial Fund 2015, LP and Trez Capital Corporation [Member]
Principal amount					$ 37,721
Construction loan								$ 65,000
Maturity date					Nov. 15, 2019
Subsequent Event [Member]
Number of shares issued | shares	818,171
Jessie Avenue [Member]
Description of land acquire					Jessie Avenue is a 13.68-acre, 94 home, small lot single family detached development located in Sacramento County.
Roseville Road [Member]
Description of land acquire					Roseville Road is a 9.63-acre, approximately 65 home, small lot single family detached development located in Sacramento County.
Land [Member]
Asset in development					$ 15,400
Fair value of asset							$ 124,757
Real Estate Under Development [Member]
Asset in development					112,954
Fair value of asset							$ 109,358
Roseville Road & Elkhorn Blvd, Sacramento, CA 95842. [Member]
Contracted sales price					1,500
Net proceeds from sell of land parcel					277
Jessie Avenue And Roseville Road [Member]
Purchase price					$ 3,408
Description of consideration for properties					47,482 shares of its Series A Preferred Stock (based on a valuation of $25.00 per share) and assumed debt and certain liabilities of $2,121. Included in the cost of acquiring the Sacramento Home Lots was $99 of warrants for investment advisory fees and $1 in other closing fees that are recorded in accrued expenses at June 30, 2018 and issued on July 10, 2018.
Mission Hills [Member] | Warrant [Member]
Number of warrant issued | shares					245,100		27,990
Value of warrant issued					$ 245
Mission Hills [Member] | Commercial Real Estate [Member]
Number of residential apartment | Number					158
Area of real estate | ft²					53,900
T9 LLC[Member]
Purchase price				$ 32,413
Area of acres | ft²				65
Enterprise value				$ 88,000
Senior mortgage debt				55,587
Debtor in possession				10,000
Additional drawn debt			$ 3,000	$ 2,000
Interest rate				10.00%
Impairment adjusted the value of the asset downward						$ 15,593
T9 LLC[Member] | Series A Preferred Stock [Member]
Number of shares issued | shares				336,284
Value of shares issued				$ 8,407
Value of additional shares converted				$ 1,325
Number of additional shares converted | shares				132,500
T9 LLC[Member] | Series B Convertible Preferred Stock [Member]
Number of shares issued | shares				1,814,573
Value of shares issued				$ 18,146
T9 LLC[Member] | Series B Convertible Preferred Stock [Member] | Subsequent Event [Member]
Number of share reduced | shares		1,569,308
Value of share reduced		$ 15,693
T9 LLC[Member] | Common Stock [Member]
Number of shares issued | shares				586,004
Value of shares issued				$ 5,860
Fremont Hills Development Corporation [Member] | Series B Convertible Preferred Stock [Member]
Number of shares issued | shares					2,901,835
Fremont Hills Development Corporation [Member] | Series B OPCO Units [Member]
Number of shares issued | shares					2,500,000
Sacramento Home Lots [Member] | Warrant [Member]
Number of warrant issued | shares					9,900
Value of warrant issued					$ 99
T9 Acquisition [Member] | Warrant [Member]
Number of warrant issued | shares					225,000
Value of warrant issued					$ 225