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Note E - Inventory (Details Textual) | 12 Months Ended
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Dec. 31, 2016 USD ($)
December 31, 2015 [Member] | Reclassification from Finished Goods Inventory to Software License Rights [Member] |
Prior Period Reclassification Adjustment | $ 180,000

X
- Definition The amount of a reclassification adjustment made to prior period financial statement amounts. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |