Supplemental Disclosures

12 Months Ended

Dec. 31, 2016

Payables And Accruals [Abstract]

Supplemental Disclosures

14. Supplemental Disclosures

Accrued expenses and other current liabilities consists of the following (in thousands):

	December 31, 2016		December 31, 2015
Accrued personnel costs	$	3,338	$	1,371
Accrued external research and development expenses		3,005		835
Accrued purchases of property and equipment		844		—
Accrued external general and administrative expenses		672		559
Accrued sublicense fees and royalties on reagent sales		—		260
Other accrued expenses and current liabilities		267		173
	$	8,126	$	3,198