Commitments and Contingencies (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended
	Jul. 31, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Aug. 15, 2014 Pennsylvania [Member]	Mar. 31, 2014 Pennsylvania [Member]	Sep. 30, 2014 Pennsylvania [Member]	Sep. 30, 2014 New Jersey [Member]	Sep. 30, 2014 Colorado [Member] Comerica Bank [Member]	Dec. 31, 2013 Colorado [Member] Comerica Bank [Member]
Long-term Purchase Commitment [Line Items]
Operating lease payments		$ 166,000	$ 191,000	$ 485,000	$ 575,000
Impairment of office lease							225,000
Operating lease, contract termination payment						150,000
Accrued expense, impairment of office lease								75,000
Operating lease, term	64 months
Operating leases, rent expense (per month)	7,000
Future minimum lease commitments		1,842,000		1,842,000					90,000
Letters of credit outstanding, amount										$ 185,000	$ 242,000