Note 4 - Long-Term Debt and Interest Expense (Details) - Schedule of Interest Expense - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Schedule of Interest Expense [Abstract]
Current debt, long-term debt and other - banks			$ 2,380	$ 88
Long-term debt – related parties	$ 0	$ 1,478	0	2,878
	$ 1,200	$ 1,478	$ 2,380	$ 2,966