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Investment in Equity Method Investees (Details Textual) ₪ in Millions	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Aug. 31, 2018 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2018 USD ($)	Aug. 31, 2019 ILS (₪)	Aug. 31, 2019 USD ($)	Aug. 12, 2019 ILS (₪)	Aug. 12, 2019 USD ($)	Sep. 30, 2018
Investment in Shoreditch Energy Limited (Textual)
Outstanding balance, including accrued interest	$ 100		$ 100,000
Net book value of investments		$ 400,000	$ 400,000
Shoreditch [Member]
Investment in Shoreditch Energy Limited (Textual)
Equity interest in joint venture, percentage		77.00%	77.00%
Net book value of investments
Contributed Amount		1,500
GEUK [Member]
Investment in Shoreditch Energy Limited (Textual)
Contributed Amount			9,500
EGC [Member]
Investment in Shoreditch Energy Limited (Textual)
Loan amount				$ 200,000
Annual interest rate				2.00%
Due date				Sep. 17, 2023
Outstanding balance, including accrued interest			200,000
New Atid [Member]
Investment in Shoreditch Energy Limited (Textual)
Equity interest in joint venture, percentage									37.50%
Notes Receivable, Related Parties		200,000	200,000
Net book value of investments		$ 200,000	$ 200,000
New Atid [Member] | Funding Agreement [Member]
Investment in Shoreditch Energy Limited (Textual)
Agreed to loan amount							₪ 5.1	$ 1,500,000
Commitment to loan amount							₪ 1.9	$ 500,000
Additional Loan Amount					₪ 0.8	$ 200,000
Annual interest rate					5.50%	5.50%

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