CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 118,333	$ 47,772
Restricted cash	744	1,246
Trade accounts receivable	121,831	102,384
Inventories	345,357	198,326
Prepaid and other current assets	17,279	53,380
Total current assets	603,544	403,108
Property and equipment
Property, plant, and equipment	529,238	499,867
Proved oil and gas properties, at cost, successful efforts method of accounting	400	1,122
Total property and equipment	529,638	500,989
Less accumulated depreciation and depletion	(79,622)	(49,727)
Property, plant and equipment, net	450,016	451,262
Long-term assets
Investment in Laramie Energy, LLC	127,192	108,823
Intangible assets, net	26,604	29,912
Goodwill	107,187	105,732
Other long-term assets	32,864	46,596
Total assets	1,347,407	1,145,433
Current liabilities
Current maturities of long-term debt	0	20,286
Obligations under inventory financing agreements	363,756	225,135
Accounts payable	52,543	65,190
Advances from customers	9,522	23,774
Accrued taxes	17,687	13,194
Other accrued liabilities	27,444	35,186
Total current liabilities	470,952	382,765
Long-term liabilities
Long-term debt, net of current maturities	384,812	350,110
Common stock warrants	6,808	5,134
Long-term capital lease obligations	1,220	1,780
Other liabilities	35,896	36,735
Total liabilities	899,688	776,524
Commitments and contingencies (Note 14)
Stockholders’ equity
Preferred stock, $0.01 par value: 3,000,000 shares authorized, none issued	0	0
Common stock, $0.01 par value; 500,000,000 shares authorized at December 31, 2017 and December 31, 2016, 45,776,087 shares and 45,533,913 shares issued at December 31, 2017 and December 31, 2016, respectively	458	455
Additional paid-in capital	593,295	587,057
Accumulated deficit	(148,178)	(220,799)
Accumulated other comprehensive income	2,144	2,196
Total stockholders’ equity	447,719	368,909
Total liabilities and stockholders’ equity	$ 1,347,407	$ 1,145,433

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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- 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.