| Notes payable | 
        
 Notes
payable are as follows: 
  
    |   | 
      | 
    March
    31, | 
      | 
      | 
    December
    31, | 
      | 
 
    |   | 
      | 
    2015 | 
      | 
      | 
    2014 | 
      | 
 
    | Unsecured
    promissory demand note dated May 7, 2012, issued to an accredited investor, bearing interest at a rate of 4% per annum. Holder
    may elect to convert into common stock at $0.75 per share. | 
      | 
      | 
    5,000 | 
      | 
      | 
      | 
    5,000 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Promissory
    note dated July 25, 2014, issued to an accredited investor, maturing July 24, 2015, bearing interest at a rate of 12% per
    annum. Principal and interest may be converted into common stock based on the average trading price of the ten days prior
    to maturity at the holders option. | 
      | 
      | 
    150,000 | 
      | 
      | 
      | 
    150,000 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Unsecured
    promissory demand notes, issued to an accredited investor, bearing interest at a rate of 4% per annum. Holder may elect
    to convert into common stock at $0.75 per share. | 
      | 
      | 
    109,306 | 
      | 
      | 
      | 
    109,306 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 5%
    Original issue discount senior secured convertible promissory note dated March 5, 2014, issued to accredited investors, maturing
    September 5, 2015, bearing interest at a rate of 12% per annum. The fixed conversion price in effect was set at 90% of the
    20-day VWAP of our common stock on February 5, 2014, or $0.30753 per share. | 
      | 
      | 
    38,377 | 
      | 
      | 
      | 
    248,902 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 5%
    Original issue discount senior secured convertible promissory note dated May 5, 2014, issued to accredited investors, maturing
    November 5, 2015, bearing interest at a rate of 12% per annum. The fixed conversion price in effect was set at 90% of the
    20-day VWAP of our common stock on February 5, 2014, or $0.30753 per share. | 
      | 
      | 
    
   
        337,719 
 | 
      | 
      | 
      | 
    482,456 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 5%
    Original issue discount senior secured convertible promissory note dated June 5, 2014, issued to accredited investors, maturing
    December 5, 2015, bearing interest at a rate of 12% per annum. The fixed conversion price in effect was set at 90%
    of the 20-day VWAP of our common stock on February 5, 2014, or $0.30753 per share. | 
      | 
      | 
    - | 
      | 
      | 
      | 
    146,197  | 
      | 
 
 
  
    | 5%
    Original issue discount senior secured convertible promissory note dated July 1, 2014, issued to accredited investors, maturing
    January 5, 2016, bearing interest at a rate of 12% per annum. The fixed conversion price in effect was set at 90% of the 20-day
    VWAP of our common stock on February 5, 2014, or $0.30753 per share. | 
      | 
      | 
    - | 
      | 
      | 
      | 
    578,947 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 5%
    Original issue discount senior secured convertible promissory note dated July 31, 2014, issued to accredited investors, maturing
    February 1, 2016, bearing interest at a rate of 12% per annum. The fixed conversion price in effect was set at 90% of the
    20-day VWAP of our common stock on February 5, 2014, or $0.30753 per share. | 
      | 
      | 
    2,189,067 | 
      | 
      | 
      | 
    2,894,739 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Convertible
    promissory note dated February 27, 2015, issued to accredited investors, maturing August 27, 2016, bearing interest at a rate
    of 12% per annum. The conversion price in effect is $0.1677, subject to adjustment. | 
      | 
      | 
    88,126 | 
      | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Total
    Debt | 
      | 
      | 
    2,917,595 | 
      | 
      | 
      | 
    4,615,547 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Less
    short-term portion | 
      | 
      | 
    2,829,469 | 
      | 
      | 
      | 
    4,615,547 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Long-term
    portion | 
      | 
    $ | 
    88,126 | 
      | 
      | 
    $ | 
    - | 
      | 
 
 
 |