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Note 9 - Subsequent Events (Detail) (USD $)	Aug. 10, 2012	Jul. 31, 2012 sqft	Jul. 12, 2012	Jun. 30, 2012	Dec. 31, 2011	Jul. 31, 2007
Line of Credit Facility, Maximum Borrowing Capacity			$ 4,000,000			$ 5,500,000
Line of Credit Facility, Interest Rate at Period End			2.00%
Line of Credit Facility, Amount Outstanding	500,000
Area of Real Estate Property (in Square feet)		23,000
Property, Plant and Equipment, Gross				15,360,240	14,999,826
Building [Member]
Area of Real Estate Property (in Square feet)						191,000
Property, Plant and Equipment, Gross		2,600,000

X

- Definition

Area of a real estate property.

+ References

No definition available.

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Balance Type:	na
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X

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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X

- Definition

The effective interest rate at the end of the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Publisher FASB

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-Topic 210

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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-Name Regulation S-X (SX)

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- Definition

Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Name Accounting Standards Codification

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-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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