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Note 6 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Text Block [Abstract]

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

		2013				2012
		(in thousands)
Line of credit with a bank—due June 1, 2015, and collateralized by accounts receivable (1)		$	-			$	5,417
Equipment financing (2)			110,469				102,084
Total long-term debt			110,469				107,501
Less current maturities			(40,103	)			(28,918	)
Long-term debt—net of current maturities		$	70,366			$	78,583

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

		(in thousands)
2014		$	40,103
2015			47,154
2016			21,224
2017			1,477
2018			511
Total		$	110,469

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Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.

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