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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 |  |
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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

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