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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592

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- Definition

The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 8

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of assets used to generate operating income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Note 9 - Business Segment Information (Details) (USD $)	3 Months Ended
Note 9 - Business Segment Information (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Note 9 - Business Segment Information (Details) [Line Items]
Deferred Revenue, Current	$ 2,578,000us-gaap_DeferredRevenueCurrent	$ 2,256,000us-gaap_DeferredRevenueCurrent
Revenues	10,700,000us-gaap_Revenues		9,983,000us-gaap_Revenues
One Customer [Member] \| Waste Management Services [Member] \| Customer Concentration Risk [Member] \| Sales Revenue, Segment [Member]
Note 9 - Business Segment Information (Details) [Line Items]
Concentration Risk, Percentage	10.00%
One Customer [Member] \| Customer Concentration Risk [Member] \| Sales Revenue, Segment [Member]
Note 9 - Business Segment Information (Details) [Line Items]
Concentration Risk, Percentage	7.80%
Golf and Related Operations [Member]
Note 9 - Business Segment Information (Details) [Line Items]
Deferred Revenue, Current	2,600,000	2,300,000
Increase (Decrease) in Operating Assets	2,800,000
Revenues	2,330,000		2,153,000
Waste Management Services [Member]
Note 9 - Business Segment Information (Details) [Line Items]
Increase (Decrease) in Operating Assets	(600,000)
Revenues	$ 8,370,000	$ 11,000,000	$ 7,830,000