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Concentrations | 3 Months Ended
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Dec. 31, 2013
Risks and Uncertainties [Abstract] |
Concentrations | (8) Concentrations. The transportation segment primarily serves customers in the petroleum industry in the Southeastern U.S. Significant economic disruption or downturn in this geographic region or these industries could have an adverse effect on our financial statements. During the first three months of fiscal 2014, the transportation segment’s ten largest customers accounted for approximately 56.7% of the transportation segment’s revenue. One of these customers accounted for 21.1% of the transportation segment’s revenue. The loss of any one of these customers could have a material adverse effect on the Company’s revenues and income. Accounts receivable from the transportation segment’s ten largest customers was $5,120,000 and $3,565,000 at December 31, 2013 and September 30, 2013 respectively. The mining royalty land segment has one lessee that accounted for 72.7% of the segment’s revenues and $126,000 of accounts receivable at December 31, 2013. The termination of certain of this lessee’s underlying leases could have a material adverse effect on the segment. The Company places its cash and cash equivalents with high credit quality institutions. At times, such amounts may exceed FDIC limits.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 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=6927468&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=28364263&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=6927468&loc=d3e6351-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 + Details
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