Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 2)

v3.19.2
Stockholders' Equity (Details 2)
6 Months Ended
Jun. 30, 2018
$ / shares
shares
Warrants outstanding, beginning 1,466,358
Warrants acquired
Warrants granted
Warrants retired
Warrants outstanding, ending 585,307
Weighted average exercise price outstanding, beginning | $ / shares $ 59.04
Weighted average exercise price outstanding, ending | $ / shares $ 16.98
Acquired H1 Warrants [Member]  
Warrants acquired 50,744
Weighted average exercise price acquired | $ / shares $ 29.04
Acquired H3 Warrants [Member]  
Warrants acquired 14,001
Weighted average exercise price acquired | $ / shares $ 33.12
Granted H4 warrants [Member]  
Warrants granted 447,383 [1]
Weighted average exercise price granted | $ / shares $ 3.60
Granted I warrants [Member]  
Warrants granted 73,178
Weighted average exercise price granted | $ / shares $ 13.80
Retired Merger Warrants [Member]  
Warrants retired (146,357)
Weighted average exercise price retired | $ / shares $ 59.04
[1] Excludes 1,342,150 H-4 warrants representing 150% coverage of H-4 warrants granted.