Commitments and Contingencies (Details Textuals 3) (Sales)	6 Months Ended
	Jun. 30, 2012 Customers	Jun. 30, 2011 Customers Agency
Concentration Risk [Line Items]
Concentration Risk, Percentage	63.20%	72.60%
Number of customers	3	3
Number Of Federal Government Agencies		2
Customer One
Concentration Risk [Line Items]
Concentration Risk, Percentage	25.30%	28.30%
Customer Two
Concentration Risk [Line Items]
Concentration Risk, Percentage	24.90%	12.50%
Customer Three
Concentration Risk [Line Items]
Concentration Risk, Percentage	13.00%	11.60%
Federal Government Agencies One
Concentration Risk [Line Items]
Concentration Risk, Percentage		10.10%
Federal Government Agencies Two
Concentration Risk [Line Items]
Concentration Risk, Percentage		10.10%