Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable Project Revenue and Project Costs (Narrative) (Details)

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Accounts Receivable Project Revenue and Project Costs (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Portion of accounts receivable 97.00%   97.00%   100.00%
Approximations [Member]
         
Accounts Receivable $ 700,000   $ 700,000   $ 300,000
Unbilled receivable 300,000   300,000   200,000
Travel costs and reimbursable costs 200,000 200,000 300,000 300,000  
Travel and other reimbursable expenses included in accounts receivable     $ 100,000   $ 100,000