Summary of Significant Accounting Policies (Schedule of ResponseDX Accounts Receivable) (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Allowance for doubtful accounts	$ (1,912,668)	$ (2,404,659)
Total	6,529,550	6,225,923
ResponseDX [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Accounts receivable	7,381,569	6,738,198
Allowance for doubtful accounts	(1,912,668)	(2,404,659)
Total	5,468,901	4,333,539
ResponseDX [Member] | Medicare [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Accounts receivable	2,574,923	2,422,611
Private Payor [Member] | ResponseDX [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Accounts receivable	$ 4,806,646	$ 4,315,587