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Note H - Derivative Instruments - Foreign Currency Hedge Contracts - Effect of derivatives oncomprehensive income (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Notes to Financial Statements
Accumulated other comprehensive (loss) income - derivative instruments, beginning	$ 0	$ (46,000)
Amount of loss (gain) recognized in statement of operations, net of tax	4,000	12,000
Net change in fair value of derivative instruments	(19,000)	25,000
Accumulated other comprehensive income - derivative instruments, ending	$ (15,000)	$ (9,000)

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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