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Subsequent Events (Narrative) (Details)
 12 Months Ended
Dec. 31, 2019
Subsequent Event [Line Items]  
Compliance with Nasdaq Listing Rule 5550(a)(2), description On January 11, 2019, the Company received a letter from the Listing Qualifications Staff , or Staff, of The Nasdaq Stock Market LLC, or Nasdaq, indicating that the Company had not regained compliance with the $1.00 minimum bid price requirement for continued listing on The Nasdaq Capital Market, as set forth in Nasdaq Listing Rule 5450(a)(1), or Bid Price Rule. Pursuant to the Nasdaq Listing Rule 5810(c)(3)(A), the Company was granted an 180-calendar day compliance period, or until July 7, 2019, to regain compliance with the minimum bid price requirement. During the initial compliance period, the Company's shares of common stock continued to be listed and traded on The Nasdaq Capital Market. To regain compliance, the closing bid price of the Company's shares of common stock must meet or exceed $1.00 per share for at least ten consecutive business days during this 180-day grace period, which was not satisfied during the initial compliance period. Thereafter, the Company had been afforded a second 180-calendar day compliance period, or until January 6, 2020, to regain compliance with the Bid Price Rule since the Company notified Nasdaq of its intent to cure the deficiency by effecting a reverse stock split in order to regain compliance therewith.
Scenario, Plan [Member]  
Subsequent Event [Line Items]  
Stockholders' equity, reverse stock split Certificate of Incorporation that shall, when filed, effect a reverse stock split at a ratio of not less than 1-for-5 and not greater than 1-for-20
Minimum [Member] | Scenario, Plan [Member]  
Subsequent Event [Line Items]  
Stockholders' equity, reverse stock split conversion ratio 5
Maximum [Member] | Scenario, Plan [Member]  
Subsequent Event [Line Items]  
Stockholders' equity, reverse stock split conversion ratio 20