Note I - Income Taxes (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2007
Income Tax Examination Proposed Gross Liability			$ 496,000	$ 251,000	$ 7,114,000
Income Tax Examination Proposed Penalty					1,186,000
Income Tax Examination Estimated Interest				40,000	1,879,000
Deferred Tax Assets, Valuation Allowance	61,637,000	45,519,000
Deferred Tax Assets, Net	2,308,000
Deferred Tax Asset Foreign Tax Credit	35,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	$ 2,273,000