Commitments and Contingencies (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended
	Jun. 12, 2013 option facility sqft	Jun. 30, 2013 letters_of_credit	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Remainder of 2014			$ 847,000
2015			2,026,000
2016			2,067,000
2017			2,123,000
2018			2,186,000
2019			2,251,000
2020 and thereafter			24,777,000
Total			36,277,000
Operating Leases, Rent Expense			700,000	100,000
Operating Leases, Number of Facilities	2
Aggregate Square Feet	129,000
Term of Contract	15 years
Lessee Leasing Arrangements, Operating Leases, Number of Renewal Options	1
Renewal Term	5 years
Initial Base Rent	1,900,000
Operating Leases, Future Minimum Payments Due, Base Rent Increases [Abstract]
2015	3.00%
2016	3.00%
2017	3.00%
2018	3.00%
2019	3.00%
2020 and beyond	4.00%
LandLord Funded Improvements	6,800,000
Number of Letters of Credit		2
Aggregate maximum borrowing capacity					$ 6,400,000