Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 2,503	$ 2,533
Accounts receivable, net	16,244	18,056
Inventories	2,795	2,710
Assets held for sale	1,920	1,920
Prepaid expenses and other current assets	3,381	2,957
Total current assets	26,843	28,176
Property, plant and equipment, net	274,046	275,105
Other long-term assets, net	1,236	1,364
Total assets	302,125	304,645
Liabilities
Current portion of long-term debt	511	533
Accounts payable	10,500	11,627
Accrued liabilities	5,018	6,969
Total current liabilities	16,029	19,129
Long-term debt	53,886	49,278
Deferred income taxes, net	634	683
Other long-term liabilities	41	73
Total liabilities	70,590	69,163
Commitments and contingencies (Note 11)
Stockholders’ equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 38,597,447 and 38,246,919 shares issued, respectively; and 38,252,765 and 37,985,225 shares outstanding, respectively	383	380
Additional paid-in capital	327,162	326,616
Accumulated deficit	(93,791)	(89,645)
Treasury stock, at cost, 344,682 and 261,694 shares, respectively	(2,219)	(1,869)
Total stockholders’ equity	231,535	235,482
Total liabilities and stockholders’ equity	$ 302,125	$ 304,645

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.