Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Summary of Property, Plant and Equipment

The following tables summarizes the Company property, plant and equipment as of December 31, 2017 (amounts in thousands). The Company had no property, plant and equipment as of December 31, 2016.

	As of December 31, 2017
Leasehold improvement	$	173
Software		17
		190
Less accumulated depreciation		(17	)
Total	$	173

Summary of Derivative Financial Instruments for Non-employee Stock Options

The following table summarizes the Company’s derivative financial instruments within the fair value hierarchy as of December 31, 2017 and 2016 (amounts in thousands):

	Fair Value		Level 1		Level 2		Level 3
December 31, 2017
Liabilities:
Non-employee stock options	$	2,637		—		—	$	2,637
Warrants		6,941		—		—		6,941
December 31, 2016
Liabilities:
Non-employee stock options	$	1,617		—		—	$	1,617
Warrants		2,857		—		—		2,857

Summary of Basic and Diluted Loss per Share

The basic and diluted loss per share for the periods noted below is as follows (amounts in thousands, except for share and per share amounts):

	Year Ended December 31, 2017			Nine Months Ended December 31, 2016
Basic and Diluted
Numerator
Net loss	$	(28,024	)	$	(12,040	)
Denominator
Weighted-average common shares outstanding - basic and diluted		18,632,740			16,671,019
Basic and diluted net loss per share	$	(1.50	)	$	(0.72	)

Summary of Outstanding Securities Excluded from Computation of Diluted Weighted Shares Outstanding

The following outstanding securities have been excluded from the computation of diluted weighted shares outstanding for the periods noted below, as they would have been anti-dilutive:

	Year Ended December 31, 2017		Nine Months Ended December 31, 2016
Options outstanding		2,448,646		1,969,000
Warrants outstanding		2,379,919		2,017,252
Total		4,828,565		3,986,252