Long-Term Liabilities (Narrative) (Details) (USD $)	9 Months Ended		1 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended	0 Months Ended	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Aug. 31, 2013 EEUK [Member]	Sep. 30, 2013 EEUK [Member]	Mar. 31, 2013 EEUK [Member]	Apr. 30, 2013 EEUK [Member] Warrant One [Member]	Sep. 30, 2013 EEUK [Member] Warrant One [Member]	May 21, 2013 EEUK [Member] Warrant Two [Member]	Sep. 30, 2013 EEUK [Member] Warrant Two [Member]
Long-Term Liabilites [Line Items]
Monetary production payment	$ 145,834,000				$ 125,000,000
Additional monetary production payment incremental purchase price			25,000,000
Additional monetary production payment implied cost			8.75%
Total outstanding amount of the monetary production payment			150,000,000
Total repayment amount for monetary production payment	4,167,000		175,000,000
Montetary production payment, issuance costs				24,400,000
Fair value of issued warrants	$ 7,600,000
Shares issued for investment warrant						3,440,000		560,000
Exercise price of Investment Warrants						$ 3.014		$ 3.685
Warrants expiration date							Apr. 30, 2018		May 21, 2018