Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2021

Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Loss Per Share

The following is a reconciliation of the numerator (net loss) and the denominator (number of shares) used in the basic and diluted net loss per share calculations:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021			2020			2021			2020
Net loss attributable to common stockholders	$	(6,155	)	$	(4,763	)	$	(15,699	)	$	(12,946	)
Weighted average number of shares of common stock		9,439			7,465			9,308			3,202
Basic and diluted net loss per share	$	(0.65	)	$	(0.64	)	$	(1.69	)	$	(4.04	)

Schedule of Anti-Dilutive Weighted Average Shares Excluded From Net Loss Per Share Diluted Shares Calculation

The anti-dilutive weighted average shares excluded from the net loss per share diluted shares calculations were:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Restricted stock awards		1,097		1,426		1,190		479
Outstanding stock options		649		—		436		—
Total		1,746		1,426		1,626		479