Debt (Details) (USD $)	1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended				1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended
	Dec. 31, 2011 Prior Two Year Facility	Dec. 07, 2011 Prior Two Year Facility	Dec. 31, 2011 Prior Four Year Facility	Dec. 07, 2011 Prior Four Year Facility	Sep. 30, 2012 Credit Agreement quarter	Sep. 04, 2012 Credit Agreement	Sep. 30, 2012 Credit Agreement Minimum	Sep. 30, 2012 Credit Agreement Maximum	Sep. 30, 2012 Term Loan	Sep. 04, 2012 Term Loan	Sep. 30, 2012 Term Loan Adjusted annual LIBOR	Sep. 04, 2012 Term Loan Adjusted annual LIBOR	Sep. 30, 2012 Term Loan Annual prime rate	Sep. 04, 2012 Term Loan Annual prime rate	Sep. 30, 2012 Term Loan 1 month LIBOR Minimum	Sep. 04, 2012 Term Loan 1 month LIBOR Minimum	Sep. 30, 2012 Revolving line of credit	Sep. 04, 2012 Revolving line of credit	Sep. 30, 2012 Revolving line of credit Adjusted annual LIBOR	Sep. 04, 2012 Revolving line of credit Adjusted annual LIBOR	Sep. 30, 2012 Revolving line of credit Annual prime rate	Sep. 04, 2012 Revolving line of credit Annual prime rate	Sep. 30, 2012 Revolving line of credit 1 month LIBOR Minimum	Sep. 04, 2012 Revolving line of credit 1 month LIBOR Minimum
Debt
Principal amount		$ 5,000,000		$ 2,000,000
Maximum borrowing capacity						15,000,000				13,000,000								2,000,000
Variable rate basis											Adjusted annual LIBOR		Prime rate		1 month LIBOR				Adjusted annual LIBOR		Prime rate		1 month LIBOR
Interest rate added to the reference rate (as a percent)												2.75%				2.50%				2.25%				2.50%
Interest rate subtracted from the reference rate (as a percent)														0.25%								0.50%
Term of loan	2 years		4 years						5 years								3 years
Equal quarterly payments of principal									650,000
Upfront fee										65,000
Monthly non-usage fee percentage																	0.25%
Aggregate amount of acquisitions that can be consummated while the original loan is outstanding					$ 5,000,000
Fixed charge coverage ratio to be maintained							1.2
Number of trailing quarters for calculating fixed charge coverage ratio					4
Senior funded debt ratio								2.0