Annual report pursuant to Section 13 and 15(d)

Basis of Presentation, Summary of Significant Accounting Policies (Schedule of Antidilutive Securities) (Details)

v3.20.1
Basis of Presentation, Summary of Significant Accounting Policies (Schedule of Antidilutive Securities) (Details) - shares
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Shares not included in the computation of EPS 5,314,955 2,042,052
Warrants to purchase common stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Shares not included in the computation of EPS 3,574,257 1,671,113
Option to purchase common stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Shares not included in the computation of EPS 12,000 62,000
Escrow shares of common stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Shares not included in the computation of EPS 200,000 200,000
Unvested restricted stock awards [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Shares not included in the computation of EPS 1,524,499 95,939
Convertible Preferred Stock Series B [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Shares not included in the computation of EPS 4,199 13,000