Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $)	0 Months Ended	1 Months Ended		3 Months Ended		6 Months Ended			0 Months Ended	3 Months Ended	0 Months Ended	1 Months Ended					3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended
	Oct. 03, 2012	Jan. 31, 2012	Jun. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 13, 2012 Prior To Amendment [Member]	Mar. 13, 2012 installment [Member]	Sep. 30, 2013 installment [Member]	Mar. 13, 2012 Amendment [Member]	Jul. 31, 2013 Amendment [Member]	May 31, 2013 Amendment [Member]	Dec. 31, 2012 Amendment [Member]	Jul. 31, 2012 Amendment [Member]	Dec. 31, 2013 Amendment [Member]	Dec. 31, 2013 Equity Option [Member]	Dec. 31, 2012 Equity Option [Member]	Dec. 31, 2013 Equity Option [Member]	Dec. 31, 2012 Equity Option [Member]	Sep. 30, 2013 Omnibus Stock Incentive Plan 2009 [Member]	Dec. 31, 2013 Omnibus Stock Incentive Plan 2009 [Member]	Jun. 30, 2013 Omnibus Stock Incentive Plan 2009 [Member]	Dec. 31, 2013 Significant Observable Input Level 2 [Member]	Jun. 30, 2013 Significant Observable Input Level 2 [Member]
Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details) [Line Items]
Prior Period Reclassification Adjustment					$ 140,000		$ 258,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)																	300,019	491,700	315,885	491,700
Proceeds from License Fees Received	150,000	300,000	300,000								354,167	150,000	204,167	204,167	354,167
Additional License Fees Upon Achievement Of Certain Milestones								4,300,000								2,800,000
Number Of Installment Payments									6	4
Additional License Fees Receivable Upon Achievement Of Certain Milestones								708,334								150,000
Royalty And Licensing Revenue				1,200,000	824,000	2,700,000	2,200,000
Royalty Expense				143,000	97,000	380,000	293,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)																							98,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																						3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares)																					10,000
Share-based Compensation				54,000	43,000	102,000	83,000
Foreign Currency Contracts, Liability, Fair Value Disclosure																								394,000
Foreign Currency Contract, Asset, Fair Value Disclosure																									$ 95,000