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Note 11 - Equity-Method Investment (Tables)

6 Months Ended

Jun. 30, 2015

Consolidated Balance Sheets [Member]

Note 11 - Equity-Method Investment (Tables) [Line Items]

Equity Method Investments [Table Text Block]

June 30,

2015

December 31,

2014

Carrying value, recorded as a component of other non-current assets

$

34,009

$

33,282

Present value of obligation associated with future equity contributions, recorded as a component of accrued liabilities and other long-term liabilities

33,582

32,177

Consolidated Statements of Operations [Member]

Note 11 - Equity-Method Investment (Tables) [Line Items]

Equity Method Investments [Table Text Block]

		Three Months Ended June 30,								Six Months Ended June 30,
		2015				2014				2015				2014
Asset impairments to write investment down to fair value		$	4,130			$	-			$	8,260			$	-
Our portion of the partnership’s operating losses			1,733				-				3,465				-
Non-cash interest expense related to the amortization of the discounted fair value of future equity contributions			183				-				394				-
Tax benefits and credits generated			7,652				-				14,902				-