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Note 9 - Financial Instruments and Fair Value (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

		At December 31, 2014												At December 31, 2013
		Level 1 Inputs				Level 2 Inputs				Level 3 Inputs				Level 1 Inputs				Level 2 Inputs				Level 3 Inputs
Investment in auction rate securities		$	—			$	—			$	6,905			$	—			$	—			$	6,628

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

		Cost Basis Amount				Gross Unrealized Loss In Accumulated OCI				Fair Value
December 31, 2014
Investment in auction rate securities		$	7,425			$	520			$	6,905
December 31, 2013
Investment in auction rate securities		$	7,575			$	947			$	6,628

Schedule of Derivative Instruments [Table Text Block]

Agreement		Current Notional Amount				Fixed Interest Rate			Underlying Rate		Expiration Date		Fair Value
Interest Rate Swap		$	1,708				5.075%		3 month LIBOR		July 1, 2015		$	(17	)
Interest Rate Swap			3,528				5.075%		3 month LIBOR		July 1, 2015			(36	)
Interest Rate Swap			4,368				5.38%		1 month LIBOR		June 29, 2015			(52	)
Interest Rate Swap			672				5.29%		1 month LIBOR		June 30, 2015			(8	)
Interest Rate Swap			1,288				5.29%		1 month LIBOR		June 30, 2015			(15	)
Interest Rate Swap			6,496				5.29%		1 month LIBOR		June 30, 2015			(75	)
Interest Rate Swap			560				5.29%		1 month LIBOR		June 30, 2015			(6	)
Interest Rate Swap			2,251				5.29%		1 month LIBOR		June 30, 2015			(26	)

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

				Fair Value at
Derivative Liabilities Designated as Hedging Instruments		Balance Sheet Location		December 31, 2014				December 31, 2013
Interest Rate Swaps		Other Long-Term Liabilities		$	235			$	1,024

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]

(in thousands)		Gain (Loss) Recognized in OCI on Derivatives (Effective Portion) during the Year Ended							Location of Loss		Loss Reclassified from Accumulated OCI into Income (Effective Portion) during the Year Ended
		December 31, 2014				December 31, 2013			Reclassified into Income		December 31, 2014				December 31, 2013
Interest rate swaps		$	789			$	892		Interest Expense		$	(196	)		$	(290	)

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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Tabular disclosure of the effective portion of the gains and losses on derivative instruments designated (and non-derivative instruments) designated and qualifying in cash flow hedges and net investment hedges that was recognized in other comprehensive income (loss) during the current period.

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Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

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Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

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