Concentration Of Credit Risk (Details) - customer	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Sales Revenue Net [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Number of significant customers	2	3	1	3
Concentration risk, percentage	22.00%	40.00%		37.00%
Sales Revenue Net [Member] | Customer One [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%
Sales Revenue Net [Member] | Customer One [Member] | Switzerland [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%		10.00%
Sales Revenue Net [Member] | Customer One [Member] | Nigeria [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		19.00%
Sales Revenue Net [Member] | Customer One [Member] | United Kingdom [Member]
Concentration Risk [Line Items]
Concentration risk, percentage				14.00%
Sales Revenue Net [Member] | Customer Two [Member] | Mexico [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%
Sales Revenue Net [Member] | Customer Two [Member] | Nigeria [Member]
Concentration Risk [Line Items]
Concentration risk, percentage				13.00%
Sales Revenue Net [Member] | Customer Two [Member] | United Kingdom [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		11.00%
Sales Revenue Net [Member] | Customer Three [Member] | Mexico [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		10.00%		10.00%
Contract Receivables And Unbilled Work-In-Progress [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Number of significant customers			1		3
Concentration risk, percentage					55.00%
Contract Receivables And Unbilled Work-In-Progress [Member] | Customer Concentration Risk [Member] | Nigeria [Member]
Concentration Risk [Line Items]
Concentration risk, percentage			23.00%
Contract Receivables And Unbilled Work-In-Progress [Member] | Customer One [Member] | Nigeria [Member]
Concentration Risk [Line Items]
Concentration risk, percentage					26.00%
Contract Receivables And Unbilled Work-In-Progress [Member] | Customer Two [Member] | Mexico [Member]
Concentration Risk [Line Items]
Concentration risk, percentage					16.00%
Contract Receivables And Unbilled Work-In-Progress [Member] | Customer Three [Member] | Europe [Member]
Concentration Risk [Line Items]
Concentration risk, percentage					13.00%