Quarterly report pursuant to sections 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Notes Tables
Notes Details

INVESTMENT IN AL MASANE AL KOBRA MINING COMPANY (AMAK) (Details)

v2.4.0.6

INVESTMENT IN AL MASANE AL KOBRA MINING COMPANY (AMAK) (Details)	3 Months Ended						3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)	Mar. 31, 2013 AMAK [Member] USD ($)	Mar. 31, 2012 AMAK [Member] USD ($)	Mar. 31, 2011 AMAK [Member] USD ($)	Dec. 31, 2012 AMAK [Member] USD ($)	Mar. 31, 2013 AMAK [Member] USD ($)	Mar. 31, 2013 AMAK [Member] SAR	Dec. 31, 2012 AMAK [Member] USD ($)
Investment in Al Masane Al Kobra Mining Company Amak [Line Items]
Percentage interest acquire by other investors in AMAK (in hundredths)							10.00%
Shares purchased under equity method investments (in shares)							937,500
Share price (in dollars per share)							$ 8.00	30
Payments to acquire equity method investments							$ 7,500,000
Percentage investment in AMAK (in hundredths)							35.25%
Investment in AMAK							46,800,000		40,000,000
Additional advances to AMAK							2,000,000
Schedule of Equity Method Investments [Line Items]
Company's share of income (loss) reported by AMAK	2,627,000	(213,000)	7,120,000	(577,000)	(254,000)
Amortization of difference between Company's investment in AMAK and Company's share of net assets of AMAK	337,000	0
Equity in income (loss) of AMAK	2,964,000	(213,000)
Results of Operations [Abstract]
Sales			31,162,000	0	0
Gross Profit			9,906,000	0	0
General, administrative and other expenses			2,786,000	577,000	254,000
Net Income (loss)	2,627,000	(213,000)	7,120,000	(577,000)	(254,000)
Financial Position [Abstract]
Current assets			42,493,000			32,827,000
Noncurrent assets			261,429,000			261,620,000
Total assets			303,922,000			294,447,000
Current liabilities			138,539,000			135,111,000
Long term liabilities			8,187,000			9,260,000
Shareholders' equity			157,196,000			150,076,000
Total liabilities and Shareholders' equity			$ 303,922,000			$ 294,447,000

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