Quarterly report pursuant to Section 13 or 15(d)

Warrants (Narrative) (Details)

v3.2.0.727
Warrants (Narrative) (Details) - $ / shares
 6 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Class of Warrant or Right [Line Items]          
Number of warrants, Outstanding 13,205,871 24,968,868 13,205,871 13,984,204 13,205,871
Exercise price $ 1.07 $ 0.86 $ 1.07 $ 1.06  
Warrant expiration date, start     Jul. 05, 2016    
Warrant expiration date, end     Jan. 21, 2019    
Average remaining contractual life of warrants outstanding     2 years 8 months 12 days   3 years 2 months 12 days
Probability of entering into a fundamental transaction     5.00%    
Maximum [Member]          
Class of Warrant or Right [Line Items]          
Exercise price     $ 1.50    
Minimum [Member]          
Class of Warrant or Right [Line Items]          
Exercise price     $ 0.41