Debt (Details) (USD $)		6 Months Ended			6 Months Ended
	Dec. 31, 2011	Jun. 30, 2012 Revolving Credit Line [Member]	Dec. 31, 2011 Revolving Credit Line [Member]	Jun. 30, 2012 Loan Agreement [Member]	Jun. 30, 2012 2012 Term Loan Member]	Jan. 25, 2012 2012 Term Loan Member]
Debt Instrument [Line Items]
Additional term loan						$ 5,000,000
Periodic payment of loan					178,571
Period of loan					7 years
Maturity date of loan		Jan. 31, 2014			Jan. 31, 2019
Fixed rate of interest (in hundredths)				4.98%	3.90%
Description of variable rate basis		LIBOR rate or People's Prime rate
Basis spread on variable rate (in hundredths)			2.25%
Floor rate of loan (in hundredths)		3.25%	4.00%
Line of credit facility amount outstanding	$ 3,000,000