Note A - Organization and Summary of Significant Accounting Policies (Details)	0 Months Ended	1 Months Ended		3 Months Ended	12 Months Ended			12 Months Ended			12 Months Ended					0 Months Ended	1 Months Ended	0 Months Ended											12 Months Ended		0 Months Ended	3 Months Ended	12 Months Ended
	Oct. 03, 2012 USD ($)	Jan. 31, 2012 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2014 EUR (€)	Jun. 30, 2014 Restricted Stock [Member] Omnibus Stock Incentive Plan 2009 [Member] USD ($)	Jun. 30, 2013 Restricted Stock [Member] USD ($)	Jun. 30, 2014 Restricted Stock [Member] USD ($)	Jun. 30, 2014 CSI [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	Jun. 30, 2013 CSI [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	Jun. 30, 2014 Estimated [Member] Minimum [Member]	Jun. 30, 2014 Estimated [Member] Maximum [Member]	Mar. 31, 2012 Prior To Amendment [Member] USD ($)	Mar. 31, 2014 installment [Member]	Mar. 31, 2012 installment [Member]	Jul. 01, 2013 Amendment [Member] USD ($)	Jun. 01, 2013 Amendment [Member] USD ($)	Dec. 01, 2012 Amendment [Member] USD ($)	Jul. 12, 2012 Amendment [Member] USD ($)	Mar. 13, 2012 Amendment [Member] USD ($)	Mar. 31, 2014 Amendment [Member] USD ($)	Dec. 01, 2013 Amendment [Member] USD ($)	Jun. 30, 2014 Fair Value, Inputs, Level 1 [Member] USD ($)	Jun. 30, 2013 Fair Value, Inputs, Level 1 [Member] USD ($)	Jun. 30, 2014 Fair Value, Inputs, Level 3 [Member] USD ($)	Jun. 30, 2013 Fair Value, Inputs, Level 3 [Member] USD ($)	Jun. 30, 2014 Accounts Receivable [Member] Customer Concentration Risk [Member]	Jun. 30, 2013 Accounts Receivable [Member] Customer Concentration Risk [Member]	Mar. 07, 2014 Omnibus Stock Incentive Plan 2009 [Member]	Sep. 30, 2013 Omnibus Stock Incentive Plan 2009 [Member]	Jun. 30, 2013 Omnibus Stock Incentive Plan 2009 [Member]
Note A - Organization and Summary of Significant Accounting Policies (Details) [Line Items]
Prior Period Reclassification Adjustment					$ 386,000
Fair Value, Net Asset (Liability)																									0	0	0	0
Foreign Currency Contracts, Liability, Fair Value Disclosure				24,000	24,000
Foreign Currency Contract, Asset, Fair Value Disclosure						95,000
Property, Plant and Equipment, Useful Life													1 year	39 years
Asset Impairment Charges					0	0
Derivative, Notional Amount				9,700,000	9,700,000		7,100,000
Proceeds from License Fees Received	150,000	300,000	300,000															150,000	204,167	204,167	354,167	354,167
Additional License Fees Upon Achievement Of Certain Milestones															4,300,000								2,800,000
Number Of Installment Payments																4	6
Additional License Fees Receivable Upon Achievement Of Certain Milestones															708,334									150,000
Royalty And Licensing Revenue					5,400,000	4,800,000
Royalty Expense					722,000	604,000
Research and Development Expense					948,000	1,200,000
Advertising Expense					131,000	215,000
Liability for Uncertain Tax Positions, Current				0	0	0
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount				193,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Number					0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value						24,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value					121,000	148,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)								105,000																							105,000		98,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																															3 years		3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares)								10,000																								10,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number (in Shares)									0	29,720
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options										$ 757,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition					2 years 109 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)					$ 5.56			$ 5.56	$ 4.74
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)					268,000	429,000
Concentration Of Risk Number Of Major Customers						2
Concentration Risk, Percentage											23.60%	20.60%																	26.90%	44.30%