Stockholders Equity (Details 2) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Options Outstanding Number of options	7,163	2,426	316
Weighted Average price	$ 22.34	$ 53.6	$ 322
Number of Options Exercisable	6,788	1,176
Weighted Average Exercise Price Exercisable	$ 21.36	$ 53.6
Exercise Price Range One [Member]
Range of exercise price minimum	$ 9.80
Range of exercise price maximum	$ 15.20
Options Outstanding Number of options	5,488
Weighted Average price	$ 10.93
Weighted Average Remaining Contractual Life	4 years 8 months 12 days
Number of Options Exercisable	5,488
Weighted Average Exercise Price Exercisable	$ 10.93
Exercise Price Range Two [Member]
Range of exercise price	$ 40.00
Options Outstanding Number of options	1,500
Weighted Average price	$ 40
Weighted Average Remaining Contractual Life	3 years 10 months 24 days
Number of Options Exercisable	1,125
Weighted Average Exercise Price Exercisable	$ 40
Exercise Price Range Three [Member]
Range of exercise price	$ 228.00
Options Outstanding Number of options	175
Weighted Average price	$ 228
Weighted Average Remaining Contractual Life	2 years 12 months 24 days
Number of Options Exercisable	175
Weighted Average Exercise Price Exercisable	$ 228