Note 10 - Summary of Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Salaries and employee benefits	$ 2,822	$ 2,935
Accrued sales, property and other tax	202	410
Interest payable	9	22
Insurance payable	833	546
Other	475	627
Total accrued expenses	$ 4,341	$ 4,540