Debt	6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]
Debt	(7) Debt In December 2013, the Company entered into a promissory note agreement with the Chairman of the Board and a major shareholder pursuant to which the Company borrowed $500,000. The note is unsecured and bears interest at 6% per annum and was originally due September 30, 2014. At any time, the lenders may elect to have any or all of the principal plus accrued interest under the promissory note repaid in the form of our common stock at a price per share determined based upon the average closing price of the Company’s common stock for the 20 days preceding the maturity or prepayment date. In connection with the promissory note, each of the lenders was issued 5,000,000 warrants to purchase shares of the Company’s common stock at $0.06 per share. The warrants are immediately exercisable. Pursuant to an amendment to the promissory note on June 30, 2014, the maturity date was extended to December 31, 2017 and each lender was granted an additional 7,500,000 warrants, which are immediately exercisable, to purchase shares of the Company’s common stock at $0.06 per share. In December 2016, the note was further modified to extend the maturity date to December 31, 2022, with all remaining terms unchanged. At June 30, 2018, the balance of the promissory note was $500,000 and accrued interest payable on the note was $136,734. Interest expense recorded for the six-month period ended June 30, 2018, was $15,000. In March 2016, we entered into a note payable for the purchase of a vehicle. The principal amount financed was $47,513. The term of the note is six years and carries an interest rate of 6.66%. Monthly payments are $805 and the note matures April 2022. The note is secured by the vehicle that was purchased with the note’s proceeds. In August 2017, the Company borrowed $60,000 from its Chairman of the Board pursuant to a short-term promissory note. The note accrues interest at 5% per year, which is payable upon maturity of the note, and at June 30, 2018, the amount of accrued interest on the note was $2,617. The note is unsecured and originally matured on June 30, 2018. Pursuant to an amendment to the promissory note on June 29, 2018, the maturity date was extended to March 31, 2019 with all other provisions remaining unchanged. On April 9, 2018, the Company borrowed $120,000 from its Chief Executive Officer and its Chairman of the Board pursuant to a short-term promissory note. The note accrues interest at 6% per year, which is payable upon maturity of the note. The note is unsecured and originally matured on August 1, 2018. At any time, the holders of the note may elect to have any or all of the principal and accrued interest settled with shares of the Company’s common stock based on the average price of the shares over the previous 20 trading days. Pursuant to an amendment to the promissory note on June 29, 2018, the maturity date was extended to March 31, 2019 with all other provisions remaining unchanged. At June 30, 2018, accrued interest on the note totaled $1,620.

Debt

6 Months Ended

Jun. 30, 2018

(7) Debt

In December 2013, the Company entered into a promissory note agreement with the Chairman of the Board and a major shareholder pursuant to which the Company borrowed $500,000. The note is unsecured and bears interest at 6% per annum and was originally due September 30, 2014. At any time, the lenders may elect to have any or all of the principal plus accrued interest under the promissory note repaid in the form of our common stock at a price per share determined based upon the average closing price of the Company’s common stock for the 20 days preceding the maturity or prepayment date. In connection with the promissory note, each of the lenders was issued 5,000,000 warrants to purchase shares of the Company’s common stock at $0.06 per share. The warrants are immediately exercisable. Pursuant to an amendment to the promissory note on June 30, 2014, the maturity date was extended to December 31, 2017 and each lender was granted an additional 7,500,000 warrants, which are immediately exercisable, to purchase shares of the Company’s common stock at $0.06 per share. In December 2016, the note was further modified to extend the maturity date to December 31, 2022, with all remaining terms unchanged. At June 30, 2018, the balance of the promissory note was $500,000 and accrued interest payable on the note was $136,734. Interest expense recorded for the six-month period ended June 30, 2018, was $15,000.

In March 2016, we entered into a note payable for the purchase of a vehicle. The principal amount financed was $47,513. The term of the note is six years and carries an interest rate of 6.66%. Monthly payments are $805 and the note matures April 2022. The note is secured by the vehicle that was purchased with the note’s proceeds.

In August 2017, the Company borrowed $60,000 from its Chairman of the Board pursuant to a short-term promissory note. The note accrues interest at 5% per year, which is payable upon maturity of the note, and at June 30, 2018, the amount of accrued interest on the note was $2,617. The note is unsecured and originally matured on June 30, 2018. Pursuant to an amendment to the promissory note on June 29, 2018, the maturity date was extended to March 31, 2019 with all other provisions remaining unchanged.

On April 9, 2018, the Company borrowed $120,000 from its Chief Executive Officer and its Chairman of the Board pursuant to a short-term promissory note. The note accrues interest at 6% per year, which is payable upon maturity of the note. The note is unsecured and originally matured on August 1, 2018. At any time, the holders of the note may elect to have any or all of the principal and accrued interest settled with shares of the Company’s common stock based on the average price of the shares over the previous 20 trading days. Pursuant to an amendment to the promissory note on June 29, 2018, the maturity date was extended to March 31, 2019 with all other provisions remaining unchanged. At June 30, 2018, accrued interest on the note totaled $1,620.