Concentration of Risk and Enterprise Wide Disclosures

6 Months Ended

Jun. 30, 2013

Risks and Uncertainties [Abstract]

Concentration of Risk and Enterprise Wide Disclosures

Concentration of Risk and Enterprise Wide Disclosures

Accounts receivable include amounts billed to governmental agencies and private customers and do not bear interest. Balances billed to customers but not paid pursuant to retainage provisions generally become payable upon contract completion and acceptance by the owner. The table below presents the concentrations of receivables (trade and retainage) at June 30, 2013 and December 31, 2012, respectively:

	June 30, 2013				December 31, 2012
Federal Government	$	10,246	26	%	$	7,375	14	%
State Governments	—		—	%	1,761		3	%
Local Governments	4,671		12	%	5,532		10	%
Private Companies	24,534		62	%	38,617		73	%
Total receivables	$	39,451	100	%	$	53,285	100	%

At June 30, 2013, the US Army Corps of Engineers ("USCOE") accounted for 13.2%, of total receivables. At December 31, 2012, two private sector customers accounted for 11.7% and 9.9% of total receivables.

Additionally, the table below represents concentrations of revenue by type of customer for the three and six months ended June 30, 2013, and 2012.

	Three months ended June 30,								Six months ended June 30,
	2013		%		2012		%		2013		%		2012		%
Federal	$	16,544	19	%	$	12,212	18	%	$	36,493	23	%	$	24,928	21	%
State	5,797		7	%	9,494		14	%	12,016		8	%	17,014		14	%
Local	13,065		16	%	13,478		20	%	26,186		16	%	24,594		21	%
Private	48,675		58	%	31,948		48	%	84,445		53	%	51,486		44	%
	$	84,081	100	%	$	67,132	100	%	$	159,140	100	%	$	118,022	100	%

In the three months ended June 30, 2013, the USCOE generated 19% of total revenues. In the three months ended June 30, 2012, a private sector customer and a local port authority generated 19.1% and 11.3% of revenues while the USCOE generated 10.6% of total revenues. For the six month periods ended June 30,2013 and 2012, the USCOE generated 16.3% and 15.3% of total revenues, respectively. Also in the six months ended June 30, 2012, a private sector customer generated 13.2% of total revenues.

The Company does not believe that the loss of any one of these customers, other than the US Army Corps of Engineers, would have a material adverse effect on the Company and its subsidiaries and affiliates.

The Company’s long-lived assets are substantially located in the United States.