Fair Value Measurements Fair value hierarchy the Company’s financial assets and liabilities (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market investments	$ 2,497,800	$ 2,497,400
Embedded derivative liabilities	0	0
Warrant Derivative Liabilities	0	0
Contingent Consideration Classified As Equity Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market investments	0	0
Embedded derivative liabilities	0	0
Warrant Derivative Liabilities	0	0
Contingent Consideration Classified As Equity Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market investments	0	0
Embedded derivative liabilities	263,200	391,700
Warrant Derivative Liabilities	99,800	82,700
Contingent Consideration Classified As Equity Fair Value Disclosure	$ 3,130,000	$ 3,130,000