Property and Equipment and Intangible Assets (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 149,455	$ 120,957	$ 286,854	$ 230,131
Amortization period of software development costs	5 years		5 years
Operating lease	125,850		125,850
Prepaid Expenses, Laboratory Equipment And Purchased Software.	1,181,470		1,181,470		1,023,198
Purchase laboratory equipment			360,000
Equipment acquired under capital leases			239,150	0
Prepaid Expenses and Other Current Assets [Member]
Property, Plant and Equipment [Line Items]
Prepaid Expenses, Laboratory Equipment And Purchased Software.	33,850		33,850
Equipment [Member]
Property, Plant and Equipment [Line Items]
Prepaid Expenses, Laboratory Equipment And Purchased Software.	197,800		197,800
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Prepaid Expenses, Laboratory Equipment And Purchased Software.	$ 7,500		$ 7,500