Statement of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net sales	$ 3,386,830	$ 8,703,078	$ 8,140,174	$ 14,708,392
Costs applicable to sales (exclusive of depreciation, depletion and amortization shown separately below)	4,279,040	4,308,551	8,661,845	7,669,246
General and administrative expenses (includes stock based compensation of $73,996 and $63,721, respectively)	676,623	664,352	1,194,456	1,246,396
Depreciation, depletion and amortization	230,683	461,048	489,987	857,941
Income (loss) from operations	(1,799,516)	3,269,127	(2,206,114)	4,934,809
Other income (expense):
Interest expense	(920,278)	(892,624)	(1,809,486)	(1,486,343)
Unrealized loss on de-designation of copper hedges		(13,392,853)		(13,392,853)
Gains (losses) on derivatives classified as trading securities	(386,531)	3,938,610	(1,391,209)	3,938,610
Miscellaneous income (expense)	32,907	(84,898)	56,011	(148,072)
Total other income (expense)	(1,273,902)	(10,431,765)	(3,144,684)	(11,088,658)
Loss before income taxes	(3,073,418)	(7,162,638)	(5,350,798)	(6,153,849)
Provision for income taxes
Net loss	$ (3,073,418)	$ (7,162,638)	$ (5,350,798)	$ (6,153,849)
Net loss per basic and diluted share of common stock:
Weighted average number of basic and diluted common shares outstanding	113,483,661	111,688,821	113,397,048	111,430,992
Basic and diluted loss per share of common stock	$ (0.03)	$ (0.06)	$ (0.05)	$ (0.06)