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Note 6 - Financial Instruments and Fair Value (Tables)

6 Months Ended

Jun. 30, 2012

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

		At June 30, 2012
						Fair Value Estimated Using
		Cost Basis Amount				Level 1 Inputs				Level 2 Inputs				Level 3 Inputs
Investment in auction rate securities		$	7,575			$	−			$	−			$	6,628

		At December 31, 2011
						Fair Value Estimated Using
		Cost Basis Amount				Level 1 Inputs				Level 2 Inputs				Level 3 Inputs
Investment in auction rate securities		$	7,575			$	−			$	−			$	6,628

Schedule of Derivative Instruments [Table Text Block]

Agreement		Notional Amount				Fixed Interest Rate		Underlying Rate		Expiration Date		Fair Value
Interest Rate Swap		$	2,155			5.075	%	3 month LIBOR		July 1, 2015		$	(108	)
Interest Rate Swap			4,452			5.075	%	3 month LIBOR		July 1, 2015			(222	)
Interest Rate Swap			7,595			5.39	%	1 month LIBOR		December 31, 2014			(343	)
Interest Rate Swap			1,468			5.39	%	1 month LIBOR		December 31, 2014			(66	)
Interest Rate Swap			2,613			5.39	%	1 month LIBOR		December 31, 2014			(118	)
Interest Rate Swap			5,913			5.39	%	1 month LIBOR		December 31, 2014			(267	)
Interest Rate Swap			5,408			5.38	%	1 month LIBOR		June 29, 2015			(314	)
Interest Rate Swap			832			5.29	%	1 month LIBOR		June 30, 2015			(48	)
Interest Rate Swap			1,595			5.29	%	1 month LIBOR		June 30, 2015			(91	)
Interest Rate Swap			8,043			5.29	%	1 month LIBOR		June 30, 2015			(462	)
Interest Rate Swap			693			5.29	%	1 month LIBOR		June 30, 2015			(40	)
Interest Rate Swap			2,787			5.29	%	1 month LIBOR		June 30, 2015			(160	)

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		June 30, 2012				December 31, 2011
Interest Rate Swaps		Other Long-Term Liabilities		$	2,239			$	2,233

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 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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