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Note A - The Company and Summary of Significant Accounting Policies (Details Textual) |  | 12 Months Ended |
--- | --- | --- | ---
Feb. 03, 2015 | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($) shares | Dec. 31, 2013 USD ($)
Reverse Stock Split [Member] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 2 |  |  |
Minimum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 3 years |  |
Maximum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 4 years |  |
Retained Earnings (Accumulated Deficit) |  | $ (58,611,450) | $ (56,754,144) |
Cash and Cash Equivalents, at Carrying Value |  | 4,321,078 | 843,632 | $ 2,023,349
Operational Costs Per Month |  | 512,000 |  |
Expected Increase in Operational Costs |  | 67,000 |  |
Expected Operational Costs Per Month |  | 579,000 |  |
Advertising Expense |  | 339,000 | 252,000 |
Allocated Share-based Compensation Expense |  | $ 273,089 | $ 207,258 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares |  | 1,428,000 | 1,835,000 |

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