Stock Incentive Plans (Stock options outstanding) (Details 2) (USD $)			9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Stock options	Sep. 30, 2014 Stock options $0.01 - $1.07	Sep. 30, 2014 Stock options $2.00 - $2.20	Sep. 30, 2014 Stock options $11.60 - $50.00	Sep. 30, 2014 Stock options $50.01 - $90.80	Sep. 30, 2014 Stock options $127.60 - $167.60	Sep. 30, 2014 Stock options $207.60 - $588.80
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Lower range of price				$ 0.01	$ 2.00	$ 11.60	$ 50.01	$ 127.60	$ 207.60
Upper range of price				$ 1.07	$ 2.20	$ 50.00	$ 90.80	$ 167.60	$ 588.80
Options Outstanding, Number Outstanding	1,303,504	284,829	1,303,504	1,019,000	154,288	11,175	84,694	28,166	6,181
Options Outstanding, Weighted-Average Remaining Contractual Life (Years)			8 years 26 days	8 years 9 months	6 years 11 months 1 day	5 years 9 months 4 days	4 years 1 month 21 days	3 years 8 months 16 days	3 years 6 months 7 days
Options Outstanding, Weighted Average Exercise Price	$ 9.35	$ 39.46	$ 9.35	$ 1.07	$ 2.02	$ 22.44	$ 61.4	$ 136.6	$ 241.28
Options Exercisable, Number Exercisable	408,504		408,504	124,000	154,288	11,175	84,694	28,166	6,181
Options Exercisable, Weighted Average Exercise Price	$ 27.5		$ 27.5	$ 1.07	$ 2.02	$ 22.44	$ 61.4	$ 136.6	$ 241.28
Options Outstanding, Weighted-Average Remaining Contractual Life, Exercisable (Years)			5 years 5 months 9 days