Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Commitments And Contingencies Disclosure [Line Items]
Rent expense	$ 841,309	$ 683,926
California State [Member]
Commitments And Contingencies Disclosure [Line Items]
Operating leases, space	27,446
Operating lease expiration date	Jun. 30, 2015
Maryland [Member]
Commitments And Contingencies Disclosure [Line Items]
Operating lease expiration date	Jan. 31, 2013