Income Taxes (Details Narrative) - USD ($) $ in Thousands  | 
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015  | 
Dec. 31, 2014  | 
Dec. 31, 2013  | 
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| Net change in the valuation allowance | $ 1,476 | $ 2,545 | $ (217) | 
| Income tax benefits for option and warrant exercises | 6,600 | ||
| Net operating loss carry-forwards | 44,500 | ||
| Operating loss carryforwards, state | $ 21,900 | ||
| Domestic Tax Authority [Member] | |||
| Operating loss carry forwards expiration dates description | Expire beginning in Fiscal 2020 through 2034. | ||
| State and Local Jurisdiction [Member] | |||
| Operating loss carry forwards expiration dates description | Expire beginning in Fiscal 2020 through 2034 | ||
| X | ||||||||||
- Definition Income Tax Benefits For Option And Warrant Exercises. No definition available. 
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| X | ||||||||||
- Definition The expiration date of each operating loss carryforward included in total operating loss carryforward, or the applicable range of such expiration dates. No definition available. 
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
- Details 
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- Details 
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