Unproved Oil and Gas Properties, Full Cost Method (Tables)

6 Months Ended

Jun. 30, 2019

Extractive Industries [Abstract]

Schedule of unproved oil and gas properties, full cost method

	June 30, 2019		December 31, 2018
	US$ thousands		US$ thousands
Excluded from amortization base:
Drilling costs, and other operational related costs		1,243		1,242
Capitalized salary costs		1,668		1,579
Capitalized interest costs		715		677
Legal costs, license fees and other preparation costs		3,484		3,216
Other costs		11		-
		*7,121		*6,714

* The unproved oil and gas properties balance at June 30, 2019 and at December 31, 2018 contains approximately $136,000 and $2,946,000, respectively, in unpaid amounts.

	June 30, 2019		June 30, 2018
	US$ thousands		US$ thousands
Excluded from amortization base:
Drilling costs, and other operational related costs		159		-
Other costs		69		-
		228		-

Schedule of changes in unproved oil and gas properties

	June 30, 2019		June 30, 2018
	US$ thousands		US$ thousands
Excluded from amortization base:
Drilling costs, and other operational related costs		1		7,326
Capitalized salary costs		89		423
Capitalized interest costs		38		156
Legal costs, license fees and other preparation costs		268		596
Other costs		11		143
		*407		*8,644

· Inclusive of non-cash amounts of approximately $174,000 and $3,872,000 during the six months ended June 30, 2019, and 2018, respectively.