Accounts Receivable and Unbilled Accounts Receivable (Schedule of Unbilled Accounts Receivable) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled Accounts Receivable	$ 1,284,468	$ 2,969,450
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled Accounts Receivable	341,053	1,564,078
Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled Accounts Receivable	$ 943,415	$ 1,405,372