Quarterly report pursuant to sections 13 or 15(d)

7. Stock options and warrants (Details Narrative)

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7. Stock options and warrants (Details Narrative) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Options
   
Aggregate intrinsic value of options outstanding $ 12,643,371  
Future unamortized compensation expense on unvested outstanding options   577,100
Warrants
   
Aggregate intrinsic value of warrants outstanding 3,855,525  
Future unamortized compensation expense on unvested warrants $ 250,000