Derivative Income  | 
12 Months Ended | 
|---|---|
Dec. 31, 2017  | |
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
| Derivative Income | 
 Note 11 – Derivative Income 
 In 2013, in connection with a merger transaction, the Company issued warrants to purchase 5.8 million shares of common stock at an exercise price of $5.00 per share. These warrants expired on February 27, 2016, at which time the Company recorded derivative income related to unexercised warrants of $0.1 million. 
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- Definition The entire disclosure for Derivative Income. No definition available. 
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| X | ||||||||||
- References No definition available. 
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