(8) Long-Term Debt

Long-term debt to unrelated entities consisted of the following (in thousands):



	June 30,		December 31,
	2015		2014
Note payable to a financial institution, with interest only payment until maturity.	$	803	$	734
Installment notes bearing interest at the rate of 5.5% to 8.25% per annum collateralized by vehicles with monthly payments including interest, insurance and maintenance of approximately $10		120		155
Total long-term debt		923		889
Less current maturities		(55)		(65)
Long-term debt, less current maturities	$	868	$	824

On March 16, 2015, the Company’s senior credit facility with Prosperity Bank was amended to decrease the Company’s borrowing base from $14.3 million to $7.8 million and extend the term of the facility to January 27, 2017. The borrowing base remains subject to the existing periodic redetermination provisions in the credit facility. The interest rate remained prime plus 0.50% per annum. The maximum line of credit of the Company under the Prosperity Bank credit facility remained $40 million. The credit facility is secured by substantially all of the Company’s producing and non-producing oil and gas properties and the Company’s Manufactured Methane facilities. The credit facility includes certain covenants with which the Company is required to comply. These covenants include leverage, interest coverage, and minimum liquidity ratios. The Company is in compliance with all of the credit facility covenants.

The total borrowing by the Company under the Prosperity Bank facility at June 30, 2015 and December 31, 2014 was $803,000 and $734,000, respectively. The next borrowing base review will take place in August 2015.