Income Taxes (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Net operating loss carry-forwards	$ 9,900
NOL Limitation	500
Accrued interest	0	$ 10
Federal [Member]
Net operating loss carry-forwards	75,800
NOL carry-forwards incurred by subsidiaries	10,800
Valuation allowance, subsidiaries	4,100
Tax-effected federal and state NOLs pertaining to tax deductions from stock-based compensation	1,700
Research and development tax credit carry-forwards	300
State [Member]
Net operating loss carry-forwards	30,500
NOL carry-forwards incurred by subsidiaries	5,000
Valuation allowance, subsidiaries	4,100
Tax-effected federal and state NOLs pertaining to tax deductions from stock-based compensation	400
Research and development tax credit carry-forwards	$ 200

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the entity's investment in its wholly-owned subsidiaries.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 25
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=68052875&loc=d3e28680-109314

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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