Note 8 - Summary of Estimated Fair Values of the Partnership's Financial Instrument (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Long-term Debt	$ 23,482	$ 22,307
Long-term debt	23,273	23,023
Long-term Debt Excluding Line of Credit [Member]
Long-term Debt	15,332	17,307
Long-term debt	15,123	18,023
Line of Credit [Member]
Long-term Debt	8,150	5,000
Long-term debt	$ 8,150	$ 5,000