Commitment and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies.

Schedule of Future Minimum Rental Payments for Operating Leases

        Future minimum lease payments under non-cancelable operating leases (with initial or remaining lease terms in excess of one year) as of December 31, 2014 are:

Year ending December 31,
2015	$	2,984,131
2016		3,005,307
2017		3,061,674
2018		3,122,828
2019		2,877,155
2020 and thereafter		2,526,699
Total future minimum lease payments	$	17,577,794

Schedule of Rent Expense

	2014			2013
Minimum rentals	$	1,538,513		$	769,000
Sublease rental income		(63,242	)		(76,104	)
	$	1,475,271		$	692,896