CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 3,132	$ 6,761
Accounts receivable, net of allowance for doubtful accounts	38,667	29,095
Other current assets	3,110	3,028
Total current assets	44,909	38,884
Property and equipment, net (full cost method)	258,326	247,473
Other assets	5,176	5,329
Total assets	308,411	291,686
Current liabilities
Accounts payable and accrued liabilities	51,124	49,697
Commodity derivative liabilities – current	4,667	12,932
Total current liabilities	55,791	62,629
Derivative Liability, Noncurrent	3,694	14,437
Long-term Debt, Excluding Current Maturities	30,000	25,000
Other liabilities	4,136	4,072
Commitments and contingencies (Note 12)
Preferred Stock, Value, Issued	0
Shareholders’ equity:
Common stock of $0.01 par value – 45,000,000 shares authorized; 14,992,018 shares issued as of March 31, 2017 and December 31, 2016	150	150
Paid-in capital	191,456	190,621
Retained earnings (accumulated deficit)	23,111	(5,296)
Accumulated other comprehensive income	73	73
Total shareholders’ equity	214,790	185,548
Total liabilities and shareholders’ equity	$ 308,411	$ 291,686

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.