Income Taxes (Details 4) (State [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Net operating loss carryfowards, state	$ 59,400
stpr:CA
Net operating loss carryfowards, state	51,000
Other State [Member]
Net operating loss carryfowards, state	8,400
Expiration 2015 [Member]
Net operating loss carryfowards, state	500
Expiration 2016 [Member]
Net operating loss carryfowards, state	20,600
Expiration 2017 [Member]
Net operating loss carryfowards, state	3,200
Expiration 2028 [Member]
Net operating loss carryfowards, state	2,700
Expiration 2029 [Member]
Net operating loss carryfowards, state	5,800
Expiration 2030 [Member]
Net operating loss carryfowards, state	11,000
Expiration 2031 [Member]
Net operating loss carryfowards, state	$ 1,200