Note 9 - Equity Method Investment (Details) - TEL’s Summarized Financial Information - Income Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
TEL’s Summarized Financial Information - Income Statement [Abstract]
Revenue	$ 23,545	$ 16,672	$ 64,433	$ 39,838
Operating Expenses	21,120	14,256	57,613	34,631
Operating Income	2,425	2,416	6,820	5,207
Net Income	$ 1,855	$ 2,009	$ 5,282	$ 4,217