Note G - Accrued Salaries and Benefits (Details) - Accrued Salaries and Benefits (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accrued Salaries and Benefits [Abstract]
Accrued paid time off (“PTO”) and leave	$ 7,769	$ 10,064
Accrued salaries	18,707	17,427
Accrued bonuses and commissions	10,335	7,032
Accrued medical	3,238	2,995
Other	5,945	4,746
Total accrued salaries and benefits	$ 45,994	$ 42,264