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Note N - Stock Options (Details) - Options Outstanding and Exercisable (USD $)	12 Months Ended
	Dec. 31, 2013
Note N - Stock Options (Details) - Options Outstanding and Exercisable [Line Items]
Options Exercisable Weighted-average Exercise Price	$ 0.17
$0.08 - $0.21 [Member]
Note N - Stock Options (Details) - Options Outstanding and Exercisable [Line Items]
Lower Range of Exercise Prices	$ 0.08
Upper Range of Exercise Prices	$ 0.21
Options Outstanding Number of Shares (in Shares)	4,980,607
Options Outstanding Weighted-average Exercise Price	$ 0.14
Options Outstanding Weighted-average Remaining Life	4 years 219 days
Options Exercisable Number Exercisable (in Shares)	2,085,595
Options Exercisable Weighted-average Exercise Price	$ 0.12
$0.22 - $0.40 [Member]
Note N - Stock Options (Details) - Options Outstanding and Exercisable [Line Items]
Lower Range of Exercise Prices	$ 0.22
Upper Range of Exercise Prices	$ 0.40
Options Outstanding Number of Shares (in Shares)	70,000
Options Outstanding Weighted-average Exercise Price	$ 0.40
Options Outstanding Weighted-average Remaining Life	3 years 7 days
Options Exercisable Number Exercisable (in Shares)	70,000
Options Exercisable Weighted-average Exercise Price	$ 0.40
$0.41 - $0.68 [Member]
Note N - Stock Options (Details) - Options Outstanding and Exercisable [Line Items]
Lower Range of Exercise Prices	$ 0.41
Upper Range of Exercise Prices	$ 0.68
Options Outstanding Number of Shares (in Shares)	340,000
Options Outstanding Weighted-average Exercise Price	$ 0.46
Options Outstanding Weighted-average Remaining Life	3 years 7 days
Options Exercisable Number Exercisable (in Shares)	340,000
Options Exercisable Weighted-average Exercise Price	$ 0.46
$0.07 - $0.68 [Member]
Note N - Stock Options (Details) - Options Outstanding and Exercisable [Line Items]
Lower Range of Exercise Prices	$ 0.07
Upper Range of Exercise Prices	$ 0.68
Options Outstanding Number of Shares (in Shares)	5,390,607
Options Exercisable Number Exercisable (in Shares)	2,495,595

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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