Our cash and cash equivalents balance decreased to approximately $197,000 as of September 30, 2015 compared to $1,020,000 at December 31, 2014 and $6,207,000 at December 31, 2013. Our available borrowing capacity under existing lines of credit was $1,000,000 and $6,284,000 at September 30, 2015 and December 31, 2014, respectively. We had no line of credit at December 31, 2013. At November 16, 2015 our available borrowing capacity was $1,000,000.
On May 5, 2014, we closed a private placement of 1,000,000 shares of our common stock, par value $0.01 per share, at a purchase price of $2.00 per share for an aggregate purchase price of $2,000,000 for the shares.
On July 30, 2014, we entered into the July 2014 credit agreement with Wells Fargo providing for a $5,000,000 revolving line of credit, which we used primarily to fund our urgent and primary care acquisitions. Our obligation to repay advances under the July 2014 credit agreement is evidenced by a credit note, with a fluctuating interest rate per annum of 1.75% above daily one month LIBOR, as in effect from time to time. The credit note matures on June 1, 2016, and all borrowings under the July 2014 credit agreement are due and payable on that date.
Borrowings under the July 2014 credit agreement are secured by guarantees provided by certain individuals then serving as officers and directors of the Company and two stockholders of the Company who were not at that time officers or directors of the Company. On July 30, 2014, we issued warrants to the guarantors to purchase an aggregate of 800,000 shares of our common stock at an initial exercise price of $3.15 per share, subject to certain adjustments under certain circumstances, in consideration of their guaranteeing such indebtedness. The warrants vested immediately and are exercisable any time prior to their expiration on
October 30, 2019.
To further our ability to execute our strategy of acquiring urgent care and primary care facilities and operations, on December 4, 2014, we entered into the December 2014 credit agreement with Wells Fargo providing for a $6,000,000 line of credit. Our obligation to repay advances under the December 2014 credit agreement is evidenced by a credit note, with a fluctuating interest rate per annum of 1.75% above daily one month LIBOR, as in effect from time to time. On August 12, 2015, we increased the line of credit to $7,000,000 and extended the maturity date to October 1, 2016, and all borrowings under the December 2014 credit
agreement are due and payable on that date. The obligations under the July 2014 credit agreement and the December 2014 credit agreement and the credit notes are secured by all the assets of the Company and its subsidiaries. The credit agreements include customary covenants related to, among other things, additional debt, further encumbrances, sales of assets, and investments and lending. See Description of Material Indebtedness Credit Agreements Covenants & Events of Default.
Borrowings under the December 2014 credit agreement are secured by guarantees provided by two directors of the Company and a third party who is not an officer or director of the Company. On December 4, 2014, we issued warrants to the guarantors to purchase an aggregate of 960,000 shares of our common stock at an initial exercise price of $2.71 per share, subject to certain adjustments under certain circumstances, in consideration of their guaranteeing such indebtedness. The warrants vested immediately and are exercisable any time prior to their expiration on December 4, 2019. In connection with the $1,000,000 increase in the
line of credit under the December 2014 credit agreement, we issued warrants as of August 12, 2015 to the guarantors to purchase an additional 300,000 shares of our common stock at an initial exercise price of $1.70 per share, subject to certain adjustments under certain circumstances, in consideration of their guaranteeing such indebtedness. The warrants vested immediately and are exercisable at any time prior to their expiration on August 12, 2020.
The exercise prices of the warrants to purchase 800,000 shares of our common stock that were issued on July 30, 2014 at an initial exercise price of $3.15 per share and to purchase 960,000 shares of our common stock that were issued on December 4, 2014 at an initial exercise price of $2.71 per share and the warrant to purchase 50,010 shares issued on August 12, 2015 to an individual who is not an officer or director of the Company have been adjusted downward to $1.46 per share to reflect the closing price of our common stock on August 28, 2015, the date restricted stock was awarded to our directors pursuant to our director
compensation plan. The adjustment resulted from our issuing such restricted stock at a price per share less than the exercise price of such warrants. Holders of warrants representing substantially all of the shares