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Short-Term and Long-Term Debt (Revolving Credit Facility) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Revolving Credit Facility [Member]
Sep. 30, 2012
Revolving Credit Facility [Member]
RBS Citizens [Member]
Sep. 30, 2012
Revolving Credit Facility [Member]
RBS Citizens [Member]
One Month London Interbank Offered Rate [Member]
Jun. 30, 2012
Revolving Credit Facility [Member]
RBS Citizens [Member]
One Month London Interbank Offered Rate [Member]
Sep. 30, 2012
Revolving Credit Facility [Member]
RBS Citizens [Member]
Second Amended and Restated Credit Agreement [Member]
Dec. 31, 2011
Revolving Credit Facility [Member]
RBS Citizens [Member]
Second Amended and Restated Credit Agreement [Member]
Sep. 30, 2012
Revolving Credit Facility [Member]
Extradev Incorporated [Member]
Sep. 30, 2012
Revolving Credit Facility [Member]
Extradev Incorporated [Member]
Bank Loan Interest at 4.5% [Member]
Dec. 31, 2011
Revolving Credit Facility [Member]
Extradev Incorporated [Member]
Bank Loan Interest at 4.5% [Member]
May 12, 2011
Revolving Credit Facility [Member]
Extradev Incorporated [Member]
Bank Loan Interest at 4.5% [Member]
May 12, 2011
Revolving Credit Facility [Member]
Extradev Incorporated [Member]
Bank Loan Interest at 8.09% [Member]
Sep. 30, 2012
Credit Card [Member]
Extradev Incorporated [Member]
Bank Loan Interest at 4.5% [Member]
May 12, 2011
Credit Card [Member]
Extradev Incorporated [Member]
Bank Loan Interest at 4.5% [Member]
May 12, 2011
Credit Card [Member]
Extradev Incorporated [Member]
Bank Loan Interest at 8.09% [Member]
Sep. 30, 2012
Term Loan [Member]
RBS Citizens [Member]
Dec. 31, 2011
Term Loan [Member]
RBS Citizens [Member]
Feb. 12, 2010
Term Loan [Member]
RBS Citizens [Member]
Sep. 30, 2012
Term Loan [Member]
RBS Citizens [Member]
One Month London Interbank Offered Rate [Member]
Feb. 12, 2010
Term Loan [Member]
RBS Citizens [Member]
One Month London Interbank Offered Rate [Member]
Aug. 30, 2011
Promissory Notes [Member]
RBS Citizens [Member]
Sep. 30, 2012
Promissory Notes [Member]
RBS Citizens [Member]
One Month London Interbank Offered Rate [Member]
Aug. 30, 2011
Promissory Notes [Member]
RBS Citizens [Member]
One Month London Interbank Offered Rate [Member]
Debt Instrument [Line Items]                                            
Line of credit, maximum borrowing amount $ 1,000,000 $ 100,000         $ 239,000     $ 100,000 $ 100,000           $ 1,500,000          
Interest rate additional rate above LIBOR     3.75% 3.97%           4.75% 8.09%   4.50%         3.97% 3.75%   3.37% 3.15%
Revolving credit facility, expiration date         May 31, 2013                                  
Credit facility, amount outstanding         481,000 669,785 61,947 39,252 93,951 63,000 86,000 22,695   90,000 725,000 950,000            
Debt instrument, final balloon payment                                       $ 919,677