| 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 | 
      | 
      | 
    $ | 
    - | 
      | 
 
 
 | 
    |   | 
      | 
    December 31, | 
      | 
      | 
    December 31, | 
      | 
 
    |   | 
      | 
    2014 | 
      | 
      | 
    2013 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 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 26, 2013, issued to an accredited investor, maturing July 15, 2014, 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 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Unsecured promissory demand note, issued to an accredited investor, bearing interest at a rate of 15% per annum. | 
      | 
      | 
    - | 
      | 
      | 
      | 
    3,474 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Senior secured promissory notes dated July 26, 2013, issued to accredited investors, maturing April 26, 2013, bearing interest at a rate of 6% per annum. Principal and interest was converted into Common Stock based on the average trading price of the ten days prior to maturity at the holders option during the quarter ended March 31, 2014. | 
      | 
      | 
    - | 
      | 
      | 
      | 
    250,000 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Senior secured promissory notes dated October 10, 2013, issued to accredited investors, maturing April 5, 2014, bearing interest at a rate of 6% per annum. Principal and interest was converted into Common Stock based on the average trading price of the ten days prior to maturity at the holders option during the quarter ended March 31, 2014. | 
      | 
      | 
    - | 
      | 
      | 
      | 
    54,900 | 
      | 
 
 
  
    | Senior secured promissory note dated October 10, 2013, issued to an accredited investor, maturing May 22, 2014, bearing interest at a rate of 6% 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. $50,000 was converted during the six months ended June 30, 2014. | 
      | 
      | 
    50,000 | 
      | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Senior secured promissory notes dated November 22, 2013, issued to accredited investors, maturing May 15, 2014, bearing interest at a rate of 6% 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. $175,000 was converted during the quarter ended March 31, 2014. $100,000 principal plus accrued interest was paid during the quarter ended March 31, 2014. | 
      | 
      | 
    275,000 | 
      | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Senior secured promissory notes dated December 5, 2013, issued to accredited investors, maturing July 1, 2014, bearing interest at a rate of 12% per annum. Principal and interest was converted into equity during the year ended December 31, 2014. | 
      | 
      | 
    300,000 | 
      | 
      | 
      | 
    - | 
      | 
 
 
  
    | 5% Original issue discount senior secured convertible promissory note dated March 5, 2014, issued to accredited investors, bearing interest at a rate of 12% per annum. The fixed conversion price in effect shall be 90% of the 20 day VWAP of Company Common Stock prior to February 5, 2014. | 
      | 
    248,902 | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 5% Original issue discount senior secured convertible promissory note dated May 5, 2014, issued to accredited investors, bearing interest at a rate of 12% per annum. The fixed conversion price in effect shall be 90% of the 20 day VWAP of Company Common Stock prior to February 5, 2014. | 
      | 
      | 
    482,456 | 
      | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 5% Original issue discount senior secured convertible promissory dated June 5, 2014, issued to accredited investors, bearing interest at a rate of 12% per annum. The fixed conversion price in effect shall be 90% of the 20 day VWAP of Company Common Stock prior to February 5, 2014. | 
      | 
      | 
    146,197 | 
      | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 
         5% Original issue discount senior
secured convertible promissory note dated July 1, 2014, issued to accredited investors, bearing interest at a rate of 12% per
annum. The fixed conversion price in effect shall be 90% of the 20 day VWAP of Company Common Stock prior to February 5, 2014. 
 | 
      | 
      | 
    547,948 | 
      | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 5% Original issue discount senior secured convertible promissory note dated July 31, 2014, issued to accredited investors, bearing interest at a rate of 12% per annum. The fixed conversion price in effect shall be 90% of the 20 day VWAP of Company Common Stock prior to February 5, 2014. | 
      | 
      | 
    2,894,739 | 
      | 
      | 
      | 
    - | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    |   | 
      | 
    $ | 
    4,615,547 | 
      | 
      | 
    $ | 
    1,197,680 | 
      | 
 
 
 |