Summary of Significant Accounting Policies (Schedule of ResponseDX Accounts Receivable) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Allowance for doubtful accounts	$ (2,204,177)	$ (2,404,659)
Total	6,889,100	6,225,923
ResponseDX [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Accounts receivable	8,323,983	6,738,198
Allowance for doubtful accounts	(2,204,177)	(2,404,659)
Total	6,119,806	4,333,539
ResponseDX [Member] | Medicare [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Accounts receivable	2,377,560	2,422,611
Private Payor [Member] | ResponseDX [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Accounts receivable	$ 5,946,423	$ 4,315,587