Stockholders' Equity (Details3) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Number of Shares
Outstanding at end of year	2,013,876	7,163
Employee
Number of Shares
Outstanding at beginning of year	7,163	2,426
Employee Options granted	1,976,714	5,487
Employee Options exercised
Employee Options cancelled		(750)
Outstanding at end of year	1,983,877	7,163
Options vested and expected to vest	1,983,876
Options vested and exercisable	733,626
Weighted Average Exercise Price
Outstanding at beginning of year	$ 22.35	$ 53.60
Employee Options granted	$ 7.08	$ 10.93
Employee Options exercised
Employee Options cancelled		$ 40.00
Outstanding at end of year	$ 7.14	$ 22.35
Options vested and expected to vest	$ 7.14
Options vested and exercisable	$ 7.22
Aggregate Intrinsic Value
Aggregate intrinsic value of share outstanding	$ 1,935,990
Options vested and expected to vest	1,935,990
Options vested and exercisable	$ 740,390
Weighted Average Remaining Contractual Life
Weighted average remaining contractual life of share outstanding	9 years 2 months 12 days	4 years 9 months 18 days
Weighted average remaining contractual life of share Options granted	9 years 3 months 18 days	4 years 8 months 12 days
Options vested and expected to vest	9 years 2 months 12 days
Options vested and exercisable	9 years 2 months 12 days