Supplemental Disclosures (Tables)

9 Months Ended

Sep. 30, 2014

Supplemental Disclosures [Abstract]

Summary of current accrued liabilities

Accrued Liabilities

The following table summarizes the Company’s current accrued liabilities at September 30, 2014 and December 31, 2013 (in thousands).

	September 30, 2014		December 31, 2013
Accrued evaluated and unproved and unevaluated property costs	$	97,101	$	52,605
Accrued support equipment and facilities costs	2,488		—
Accrued stock-based compensation	—		56
Accrued lease operating expenses	9,870		6,251
Accrued interest on borrowings under Credit Agreement	158		141
Accrued asset retirement obligations	540		175
Accrued partners’ share of joint interest charges	3,648		1,173
Other	5,556		3,586
Total accrued liabilities	$	119,361	$	63,987

Supplemental disclosures of cash flow information

The following table provides supplemental disclosures of cash flow information for the nine months ended September 30, 2014 and 2013 (in thousands).

	Nine Months Ended   September 30,
	2014		2013
Cash paid for interest expense, net of amounts capitalized	$	3,667	$	2,110
Asset retirement obligations related to mineral properties	3,305		889
Asset retirement obligations related to support equipment and facilities	132		4
Increase (decrease) in liabilities for oil and natural gas properties capital expenditures	43,692		(6,288		)
Increase (decrease) in liabilities for support equipment and facilities	2,488		(1,100		)
Increase in liabilities for accrued cost to issue equity	—		456
Issuance of restricted stock units for Board and advisor services	313		186
Issuance of common stock for advisor services	13		25
Stock-based compensation expense recognized as liability	789		715
Transfer of inventory from oil and natural gas properties	300		201