Income Taxes (Details 4) - State [Member] $ in Thousands	Dec. 31, 2015 USD ($)
Net operating loss carryfowards, state	$ 51,400
stpr:CA
Net operating loss carryfowards, state	45,700
Other State [Member]
Net operating loss carryfowards, state	5,700
Expiration 2016 [Member]
Net operating loss carryfowards, state	19,600
Expiration 2017 [Member]
Net operating loss carryfowards, state	3,100
Expiration 2028 [Member]
Net operating loss carryfowards, state	2,600
Expiration 2029 [Member]
Net operating loss carryfowards, state	5,800
Expiration 2030 [Member]
Net operating loss carryfowards, state	11,000
Expiration 2034 [Member]
Net operating loss carryfowards, state	2,100
Expiration 2035 [Member]
Net operating loss carryfowards, state	$ 1,500