Note 3. Potentially Dilutive Securities

The table below presents the computation of basic and diluted net loss per share of Common Stock:


	Three months ended
	March 31,
	2020		2019

Basic and diluted numerator:
Net loss	$	(10,616)	$	(2,973)
Less: deemed dividend on warrants and preferred stock		(308)		—
Net loss attributable to common shareholders	$	(10,924)	$	(2,973)
Basic and diluted denominator:
Basic and diluted weighted average shares outstanding		6,276,012		617,357
Basic and diluted net loss per share	$	(1.74)	$	(4.82)

Net loss per share data presented above excludes from the calculation of diluted net loss the following potentially dilutive securities, as they had an anti-dilutive impact:
Both vested and unvested options to purchase an equal number of shares of Common Stock		45,964		49,167
Unvested RSUs to issue an equal number of shares of Common Stock		20,000		18,417
Warrants to purchase an equal number of shares of Common Stock		8,832,776		234,557
Preferred stock on an as converted basis		802,079		2,121,443
Convertible notes on an as converted basis		15,551,497		72,500
Total number of potentially dilutive securities excluded from the calculation of loss per share attributable to common shareholders		25,252,316		2,496,084