CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 54,164	$ 47,772
Restricted cash	1,245	1,246
Trade accounts receivable	80,536	102,384
Inventories	307,202	198,326
Prepaid and other current assets	13,569	53,380
Total current assets	456,716	403,108
Property and equipment
Property, plant and equipment	509,796	499,867
Proved oil and gas properties, at cost, successful efforts method of accounting	1,122	1,122
Total property and equipment	510,918	500,989
Less accumulated depreciation and depletion	(65,250)	(49,727)
Property and equipment, net	445,668	451,262
Long-term assets
Investment in Laramie Energy, LLC	119,921	108,823
Intangible assets, net	28,258	29,912
Goodwill	107,187	105,732
Other long-term assets	36,965	46,596
Total assets	1,194,715	1,145,433
Current liabilities
Current maturities of long-term debt	27,024	20,286
Obligations under inventory financing agreements	291,740	225,135
Accounts payable	47,673	65,190
Accrued taxes	21,457	13,194
Other accrued liabilities	40,062	58,960
Total current liabilities	427,956	382,765
Long-term liabilities
Long-term debt, net of current maturities	313,532	350,110
Common stock warrants	6,370	5,134
Long-term capital lease obligations	1,391	1,780
Other liabilities	37,958	36,735
Total liabilities	787,207	776,524
Commitments and contingencies (Note 11)
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 June 30, 2017 and December 31, 2016, 45,788,262 shares and 45,533,913 shares issued at June 30, 2017 and December 31, 2016, respectively	458	455
Additional paid-in capital	590,861	587,057
Accumulated deficit	(186,007)	(220,799)
Accumulated other comprehensive income	2,196	2,196
Total stockholders’ equity	407,508	368,909
Total liabilities and stockholders’ equity	$ 1,194,715	$ 1,145,433