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Note 6 - Commitments (Details Textual)	12 Months Ended
	Dec. 31, 2014 USD ($) ft²	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Jun. 30, 2015 USD ($) a
Area of Real Estate Property	8,400			8,400
Operating Leases, Rent Expense	$ 117,084	$ 117,879	$ 118,801
Lessee Leasing Arrangements, Operating Leases, Term of Contract	5 years 60 days
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 146,092
Unrecorded Unconditional Purchase Obligation	$ 151,439			$ 115,300

X

- Definition

Area of a real estate property.

+ References

No definition available.

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X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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X

- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 840



-SubTopic 10



-Section 55



-Paragraph 40



-Subparagraph (Note 3)



-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 840



-SubTopic 20



-Section 50



-Paragraph 2



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 440



-SubTopic 10



-Section 50



-Paragraph 4



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25336-109308

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