Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues	$ 15,171	$ 14,473	$ 53,816	$ 51,578
Cost of sales, excluding lower of cost or market adjustment	13,084	9,108	40,019	30,009
Lower of cost or market adjustment	14,700	0	14,700	0
Gross profit (loss)	(12,613)	5,365	(903)	21,569
Operating expenses:
Selling and marketing	756	572	2,397	1,926
General and administrative	1,077	1,078	2,967	3,242
Total operating expenses	1,833	1,650	5,364	5,168
Operating income (loss)	(14,446)	3,715	(6,267)	16,401
Other income (expense):
Interest expense	(247)	(174)	(687)	(532)
Interest income	0	0	0	1
Total other income (expense)	(247)	(174)	(687)	(531)
Income (loss) before income taxes	(14,693)	3,541	(6,954)	15,870
Income tax (benefit) expense	(5,578)	1,347	(2,642)	6,033
Net income (loss)	$ (9,115)	$ 2,194	$ (4,312)	$ 9,837
Net income (loss) per common share - Basic	$ (0.36)	$ 0.09	$ (0.17)	$ 0.41
Net income (loss) per common share - Diluted	$ (0.36)	$ 0.08	$ (0.17)	$ 0.37
Weighted average number of shares outstanding - Basic	25,070,386	23,928,081	24,751,674	23,834,685
Weighted average number of shares outstanding - Diluted	25,070,386	26,566,674	24,751,674	26,241,273