Quarterly report pursuant to Section 13 or 15(d)

Warrants (Details)

v3.19.3
Warrants (Details)
9 Months Ended
Sep. 30, 2019
$ / shares
shares
Series B [Member]  
Summarizes information about warrants outstanding and exercisable  
Grant Date Jan. 27, 2014 [1]
Number of Shares Underlying Warrants Originally Granted 157,846 [1]
Shares Underlying Warrants Exchanged, Exercised or Expired (157,846) [1]
Shares Underlying Warrants Outstanding and Exercisable [1]
Exercise price | $ / shares [1]
Expiration Term in years 0 years [1]
Series C [Member]  
Summarizes information about warrants outstanding and exercisable  
Grant Date Nov. 19, 2014 [2]
Number of Shares Underlying Warrants Originally Granted 145,399 [2]
Shares Underlying Warrants Exchanged, Exercised or Expired (142,957) [2]
Shares Underlying Warrants Outstanding and Exercisable 2,442 [2]
Exercise price | $ / shares $ 12.00 [2]
Expiration Term in years 2 months 30 days [2]
Repricing Series C [Member]  
Summarizes information about warrants outstanding and exercisable  
Grant Date Nov. 19, 2014 [2]
Number of Shares Underlying Warrants Originally Granted [2]
Shares Underlying Warrants Exchanged, Exercised or Expired 142,957 [2]
Shares Underlying Warrants Outstanding and Exercisable 142,957 [2]
Exercise price | $ / shares $ 9.00 [2]
Expiration Term in years 2 months 30 days [2]
Repricing Series E [Member]  
Summarizes information about warrants outstanding and exercisable  
Grant Date Nov. 19, 2014 [2]
Number of Shares Underlying Warrants Originally Granted [2]
Shares Underlying Warrants Exchanged, Exercised or Expired 142,957 [2]
Shares Underlying Warrants Outstanding and Exercisable 142,957 [2]
Exercise price | $ / shares $ 9.00 [2]
Expiration Term in years 2 months 30 days [2]
Rens [Member]  
Summarizes information about warrants outstanding and exercisable  
Grant Date Mar. 03, 2016 [3]
Number of Shares Underlying Warrants Originally Granted 375,000 [3]
Shares Underlying Warrants Exchanged, Exercised or Expired [3]
Shares Underlying Warrants Outstanding and Exercisable 375,000 [3]
Exercise price | $ / shares $ 7.00 [3]
Expiration Term in years 1 year 6 months [3]
Warrant [Member]  
Summarizes information about warrants outstanding and exercisable  
Number of Shares Underlying Warrants Originally Granted 678,245
Shares Underlying Warrants Exchanged, Exercised or Expired (14,889)
Shares Underlying Warrants Outstanding and Exercisable 663,356
[1] Issued in connection with the January 27, 2014 private placement transaction and which expired in January 2019.
[2] Issued in connection with the November 19, 2014 registered-direct public offering, and subsequently revised pursuant to Warrant Exercise Agreements entered into on May 18, 2015.
[3] Shares issued pursuant to the closing of the first tranche of the financing with RENS Technology Inc.