Note 6 - Employee Retirement Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
401(k) Matching Contribution by Employer	$ 175	$ 172
Pension	965	2,115
Actuarial gain (loss)	9,653	(514)
Pension Plans, Defined Benefit, Actuarial Gain Loss Projected, Next 12 months	406
Assumptions Used Calculating Benefit Obligation, Discount Rate	4.80%	3.10%
Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	3.10%	3.80%
Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	8.00%
Lien against assets of the company for unpaid pension contributions	2,571
Estimated Future Employer Contributions in Next Fiscal Year	4,100
Insurance Premium Due to the PBGC
Other pension related expenses	234
Federal Excise Tax
Other pension related expenses	$ 88