Preferred Stock and Warrants: (Details)
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Outstanding | shares 1,611,772
Warrants Outstanding, Warrants granted | shares 133,781,529
Warrants Outstanding, Warrants exercised | shares (565,061)
Number of Shares, Options outstanding | shares 8,582,952
Weighted-Average Exercise Price, Outstanding | $ / shares $ 0.82
Weighted-Average Exercise Price, Warrants granted | $ / shares 1.06
Weighted-Average Exercise Price, Warrants exercised | $ / shares 0.01
Weighted-Average Exercise Price, Outstanding | $ / shares $ 1.06