Supplementary Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Composition of Short-Term Investments

The following table sets forth the composition of short-term investments as of December 31, 2016. No such investments existed as of December 31, 2015.

				Unrealized
	Maturity in Years	Cost		Gains		Losses			Fair Value
Corporate debt securities	Less than 1 year	$	14,165,915	$	44	$	(5,273	)	$	14,160,686
Commercial paper	Less than 1 year	1,195,444		—		—			1,195,444
U.S. treasury securities	Less than 1 year	8,625,728		330		(4,166		)	8,621,892
Total Investment		$	23,987,087	$	374	$	(9,439	)	$	23,978,022

Components of Property and Equipment

Property and equipment consisted of the following:

	As of December 31,
	2016			2015
Furniture and office equipment	$	1,144,741		$	1,264,547
Leasehold improvements	1,994,514			39,401
Laboratory equipment	2,449,645			2,241,413
	5,588,900			3,545,361
Less—accumulated depreciation and amortization	(1,761,985		)	(854,782		)
Property and equipment, net	$	3,826,915		$	2,690,579

Components of Accrued Liabilities

Accrued liabilities consisted of the following:

	As of December 31,
	2016		2015
Accrued compensation	$	2,203,876	$	896,404
Accrued research agreements	736,199		386,267
Accrued professional fees	421,314		—
Other accrued liabilities	659,976		621,126
Total accrued liabilities	$	4,021,365	$	1,903,797