Other Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Other Property And Equipment [Abstract]

Schedule Of Other Property And Equipment

Other property and equipment consisted of the following as of December 31, 2017: (in thousands)

	Depreciable			Accumulated		Net Book
Type	Life	Gross Cost		Depreciation		Value
Machinery and equipment	5-7 yrs	$	20	$	20	$	—
Vehicles	2-5 yrs		318		183		135
Other	5 yrs		63		63		—
Total		$	401	$	266	$	135

Other property and equipment consisted of the following as of December 31, 2016: (in thousands)

	Depreciable			Accumulated		Net Book
Type	Life	Gross Cost		Depreciation		Value
Machinery and equipment	5-7 yrs	$	20	$	20	$	—
Vehicles	2-5 yrs		339		199		140
Other	5 yrs		63		63		—
Total		$	422	$	282	$	140