Derivative Liability (Details1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Liabilities measured at fair value
Derivative liability	$ 63	$ 128
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Liabilities measured at fair value
Derivative liability	63
Fair Value, Inputs, Level 1 [Member]
Liabilities measured at fair value
Derivative liability	0
Fair Value, Inputs, Level 2 [Member]
Liabilities measured at fair value
Derivative liability	0
Fair Value, Inputs, Level 3 [Member]
Liabilities measured at fair value
Derivative liability	$ 63