First Quarter

Second Quarter

Third Quarter

Fourth Quarter

(in thousands, except per share amount)

Year ended December 31, 2019

Total revenue

$

945

$

502

$

947

$

1,217

Net loss

$

(4,517)

$

(5,197)

$

(2,803)

$

(3,941)

Basic net loss per share

$

(0.34)

$

(0.38)

$

(0.18)

$

(0.08)

Diluted net loss per share

$

(0.34)

$

(0.38)

$

(0.18)

$

(0.08)

Year ended December 31, 2018

Total revenue

$

1,064

$

2,668

$

1,650

$

1,236

Net loss

$

(2,605)

$

(869)

$

(2,330)

$

(3,504)

Basic net loss per share

$

(0.74)

$

(0.25)

$

(0.64)

$

(0.29)

Diluted net loss per share

$

(0.74)

$

(0.25)

$

(0.68)

$

(0.29)