Commitments and Contingencies

12 Months Ended

Dec. 31, 2015

13. Commitments and Contingencies

The Company has concurrent leases for office and lab space that extend through April 2020. The Company may elect to extend the term of the leases for an additional five-year term. The leases provide for a tenant improvement allowance of approximately $2.1 million in aggregate. During December 31, 2015, 2014, and 2013, approximately $0.2 million, $0.1 million, and $0.5 million, respectively, of the allowance was utilized and is included in fixed assets and deferred rent. As of December 31, 2015, $0.5 million is available for tenant improvements. Rent expense for the leased facilities and leased vehicles for the years ended December 31, 2015, 2014, and 2013 was approximately, $2.6 million, $2.3 million, and $1.6 million, respectively.

Future minimum lease payments under non-cancelable operating leases as of December 31, 2015 are as follows, in thousands:

Year ending December 31:
2016	$	1,430
2017		1,290
2018		1,314
2019		1,341
Thereafter		454

	$	5,829

The Company has obtained exclusive licenses from third parties for proprietary rights to support the product candidates in the Company's psychiatry portfolio. Under license agreements with Afecta, the Company has an exclusive option to evaluate Afecta's CNS pipeline and to obtain exclusive worldwide rights to selected product candidates, including an exclusive license to SPN-810. The Company does not owe any future milestone payments for SPN-810. The Company is obligated to pay royalties to Afecta based on worldwide net product sales in the low-single digits.

The Company has also entered into a purchase and sale agreement with Rune, where the Company obtained the exclusive worldwide rights to a product concept from Rune. There are no future milestone payments due to Rune under this agreement. If the Company receives approval to market and sell any products based on the Rune product concept for SPN-809, the Company is obligated to pay royalties to Rune based on net sales worldwide in the low single digits.