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Note A - The Company and Summary of Significant Accounting Policies (Details Textual) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 29, 2016 | Feb. 03, 2015 | Dec. 31, 2016 USD ($) shares | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($)
Retained Earnings (Accumulated Deficit) |  |  | $ (62,801,154) | $ (58,611,450) |
Cash and Cash Equivalents, at Carrying Value |  |  | 1,061,307 | 4,321,078 | $ 843,632
Operational Costs Per Month |  |  | 592,000 |  |
Allowance for Doubtful Accounts Receivable, Noncurrent |  |  | $ 500,000 |  |
Percentage of Remaining Balance Owned Reserved |  |  | 24.00% |  |
Advertising Expense |  |  | $ 299,000 | $ 339,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares |  |  | 27,087 | 119,000 |
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 |  |
Licensing Agreements [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 10 years |  |
Reverse Stock Split [Member] |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 12 | 2 | 12 | 2 |

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