NOTES PAYABLE TO BANKS (Tables)

3 Months Ended

Mar. 31, 2015

NOTES PAYABLE TO BANKS

Schedule of interest incurred on the credit facility, interest capitalized related to facilities and equipment under construction and the related weighted average interest rates

	Three months ended March 31
	2015			2014
(in thousands except interest rate data)
Interest incurred	$	844		$	414
Capitalized interest	$	179		$	97
Weighted average interest rate		1.6	%		3.4	%