Supplemental Cash Flow Disclosure (Tables)

6 Months Ended

Jun. 30, 2016

Supplemental Cash Flow Disclosure [Abstract]

Supplemental cash flow disclosures

	Six Months Ended  June 30,
(in thousands)	2016			2015
Cash paid during the period for:
Interest	$	110		$	60
Income taxes	$	-		$	325
Non-cash transactions:
Decrease in accounts payable and accrued liabilities included in oil  and gas properties	$	(59	)	$	(267	)
Increase in net asset retirement obligations	$	5		$	-