Note 7 - Accrued Expenses (Detail) - Accrued Expenses (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Salaries, wages, bonuses and employee benefits	$ 3,779		$ 3,411
Other (1)	3,931	[1]	4,379	[1]
Total accrued expenses	$ 7,710		$ 7,790

[1] As of December 31, 2012 and 2011, no single item included within other accrued expenses exceeded 5.0% of the Company's total current liabilities.