Stockholders' Equity and Stock-Based Compensation (Details) - $ / shares |
12 Months Ended | |||
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Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2016 |
Jun. 30, 2016 |
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Warrants outstanding | 70,361 | 70,361 | ||
Issued to an investment bank regarding the Series B Preferred Stock investment on January 30,2018 [Member] | ||||
Warrants outstanding | 11,119 | 11,119 | ||
Exercise price | $ 18.00 | |||
Common stock to be purchased in the offering | 11,119 | |||
Issued To Investors On October 25, 2013 [Member] | ||||
Warrants outstanding | 13,665 | 13,665 | ||
Exercise price | $ 138.00 | |||
Common stock to be purchased in the offering | 20,833 | |||
Warrant exchange for common stock | 4,954 | |||
Exercise price, new warrant terms | $ 75.00 | |||
Issued To Investors On November 17, 2014 [Member] | ||||
Warrants outstanding | 45,577 | 45,577 | ||
Exercise price | $ 138.60 | |||
Common stock to be purchased in the offering | 45,577 | |||
Exercise price, new warrant terms | $ 75.00 |
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total number of shares of other common stock instruments held by shareholders, such as exchangeable shares. May be all or portion of the number of common shares authorized. No definition available.
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