Note 9 - Equity Method Investment - TEL's Summarized Financial Information - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue	$ 29,359	$ 23,196	$ 72,559	$ 86,611
Operating Expenses	27,096	20,125	64,301	76,541
Operating Income	2,263	3,071	8,258	10,070
Net Income	$ 1,165	$ 2,180	$ 4,977	$ 7,694