Stockholders' Equity (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Employee
Number of Shares
Outstanding at beginning of year	4,218,877	6,663	1,983,877
Employee Options granted			2,235,000
Outstanding at end of year	4,218,877	6,663	4,218,877
Options vested and expected to vest			4,218,877
Options vested and exercisable			3,451,714
Weighted Average Exercise Price
Outstanding at beginning of year			$ 7.14
Employee Options granted			$ 4.52
Outstanding at end of year			$ 5.75
Options vested and expected to vest			$ 5.75
Options vested and exercisable			$ 6.01
Aggregate Intrinsic Value
Aggregate intrinsic value of share outstanding, beginning
Aggregate intrinsic value of share outstanding, beginning
Weighted Average Remaining Contractual Life
Weighted average remaining contractual life of share Options granted			6 years 9 months 18 days
Options vested and expected to vest			6 years 9 months 18 days
Options vested and exercisable			6 years 9 months 24 days