XML 41 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Customer Concentrations | 12 Months Ended
--- | ---
Dec. 31, 2011
Customer Concentrations |
Customer Concentrations |
Note 16—Customer Concentrations The Company operates in multiple industry segments encompassing the construction of commercial, industrial, and public works infrastructure assets throughout primarily the United States. During the years ended December 31, 2011, 2010 and 2009, the Company earned 46.5%, 41.2% and 35.4%, respectively, of its revenue from the following customers:
Description of Customer’s |  | 2011 |  | 2010 |  | 2009 |
Business |  | Amount |  | Percentage |  | Amount |  | Percentage |  | Amount |  | Percentage |
Gas and electric utility |  | $ | * |  |  | * |  | $ | * |  |  | * |  | $ | 55,372 |  | 11.9 | %
Gas and electric utility |  | 165,373 |  | 11.3 | % | 69,212 |  | 7.3 | % | 67,071 |  | 14.4 | %
Gas utility |  | * |  | * |  | * |  | * |  | 42,354 |  | 9.1 | %
Louisiana DOT |  | 239,516 |  | 16.4 | % | 193,139 |  | 20.5 | % | * |  | * |
Public state agency |  | * |  | * |  | 47,465 |  | 5.0 | % | * |  | * |
Gas utility (Ruby Pipeline Project) |  | 274,898 |  | 18.8 | % | 79,224 |  | 8.4 | % | * |  | * |
|  | $ | 679,787 |  | 46.5 | % | $ | 389,040 |  | 41.2 | % | $ | 164,797 |  | 35.4 | %
(*) Indicates a customer with less than 5% of revenues during such period. For the year ended December 31, 2011, 2010 and 2009, approximately 68.5%, 55.3% and 58.8%, respectively, of total revenues were generated from the top ten customers of the Company in that year. In each of the years, a different group of customers comprised the top ten customers by revenue. At December 31, 2011, approximately 15.5% of the Company’s accounts receivable were due from one customer, and that customer provided 11.3% of the Company’s revenues for the year ended December 31, 2011. At December 31, 2010, approximately 25.0% of the Company’s accounts receivable were due from a different customer, which provided 8.4% of the Company’s revenues for the year ended December 31, 2010.

X
- 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 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 21, 22, 24 -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. Reference 3: 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=6947722&loc=d3e13537-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A -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. Reference 5: 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 Reference 6: 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=6947722&loc=d3e13531-108611 Reference 7: 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 8: 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 + Details
Name: | us-gaap_ConcentrationRiskDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration