Note 6 - Stock Option Plan - Summary of Status of the Company's Stock Options (Details) (USD $)	6 Months Ended
Mar. 31, 2015
Outstanding (in shares)	560,000
Outstanding (in dollars per share)	$ 2.96
Expired (in shares)	(15,000)
Expired (in dollars per share)	$ 4.62
Outstanding (in shares)	545,000
Outstanding (in dollars per share)	$ 2.91
Exercisable at March 31, 2015 (in shares)	195,000
Exercisable at March 31, 2015 (in dollars per share)	$ 2.97

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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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.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Subparagraph (c)(1)(iv)(4)

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Number of options outstanding, including both vested and non-vested options.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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

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

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Publisher FASB

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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