Long-Term Debt and Related Matters (Tables)

12 Months Ended

Dec. 31, 2015

Long-Term Debt and Related Matters [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

		2015		2014
Revolving credit facility	$	165,000	$	24,200
Financing agreement payable in installments through July 1, 2017 with an interest rate of 3.00% at December 31, 2015		1,247		1,781
Lease obligations payable in installments through 2019 with a  weighted average interest rate of 3.09% at December 31, 2015 and 3.50% December 31, 2014		2,507		447
Total		168,754		26,428
Less current maturities		1,335		676
Long-term portion	$	167,419	$	25,752

Schedule of Maturities of Long-term Debt [Table Text Block]

		December 31, 2015
2016	$	1,335
2017		1,121
2018		558
2019		500
2020		165,240
2021 and thereafter		-
Total	$	168,754