Note 5 - Summary of Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Accrued compensation	$ 35,698	$ 27,546
NET Services accrued contract payments	23,505	26,669
Income taxes payable	551	24,302
Other	48,015	52,035
Total accrued expenses	$ 107,769	$ 130,552