Investment in and Notes Receivable from CareCentrix (Details Textual) (USD $)	0 Months Ended	3 Months Ended								0 Months Ended	12 Months Ended
	Aug. 24, 2012	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Sep. 30, 2011	Mar. 31, 2014 CareCentrix [Member]	Dec. 31, 2013 CareCentrix [Member]	Dec. 31, 2012 CareCentrix [Member]	Aug. 24, 2012 Escrow fund, reclass to note receivable [Member]	Dec. 31, 2012 Escrow fund, indemnified claims [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Promissory note		$ 25,000,000
Investment Maturity Date	Mar. 19, 2017
Fixed interest rate on promissory note		10.00%
Investment Income, nonoperating		625,000	625,000
Escrow fund receivable						10,600,000
Reduction in Escrow Fund Receivable										9,900,000	700,000
Seller financing note receivable	9,900,000	3,400,000
Interest rate on promissory note, thereafter	18.00%
Increase (decrease) in notes receivable				6,500,000
Cost method investments							900,000	900,000	900,000
Allowance for credit losses		$ 0			$ 0