Note 8 - Income Taxes (Details) - Reconciliation of the Amount of Unrecognized Tax Benefits - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Reconciliation of the Amount of Unrecognized Tax Benefits [Abstract]
Balance as of January 1	$ 40,000	$ 40,000
Increases - current year tax positions	11,000	11,000
Lapse of statute of limitations	(11,000)	(11,000)
Balance as of December 31	$ 40,000	$ 40,000

No definition available.

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

+ Details

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

+ Details

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- Definition

Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

+ Details

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