Property and Equipment (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Disposals of property and equipment	$ 214,000
Accumulated depreciation on disposals of property and equipment	161,000
Write off of fully depreciated assets and related accumulated depreciation		$ 700,000
Depreciation expense	$ 1,300,000	1,700,000	$ 2,200,000
Facility and other costs | Restructuring Costs Under the 2013 Plan
Property, Plant and Equipment [Line Items]
Disposals of property and equipment		600,000
Accumulated depreciation on disposals of property and equipment		$ 300,000