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Note 5 - Customers Representing 5% or More of Total Revenue (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Revenue by Customer	$ 2,618,741us-gaap_Revenues	$ 2,113,828us-gaap_Revenues
Major Customers 1 [Member]
Revenue by Customer	680,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers1Member	759,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers1Member
Major Customers 2 [Member]
Revenue by Customer	624,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers2Member	236,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers2Member
Major Customers 3 [Member]
Revenue by Customer	173,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers3Member	177,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers3Member
Major Customers 4 [Member]
Revenue by Customer	173,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers4Member	153,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers4Member
Major Customers 5 [Member]
Revenue by Customer	160,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers5Member	129,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers5Member
Major Customers 6 [Member]
Revenue by Customer	$ 138,000us-gaap_Revenues / us-gaap_MajorCustomersAxis = ckx_MajorCustomers6Member

X

- 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



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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