CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands |
Total |
At The Market |
Public Offering |
Common Stock |
Common Stock
At The Market
|
Common Stock
Public Offering
|
Additional Paid-In Capital |
Additional Paid-In Capital
At The Market
|
Additional Paid-In Capital
Public Offering
|
Accumulated Other Comprehensive Loss |
Accumulated Deficit |
Beginning balance at Dec. 31, 2020 |
$ 104,179
|
|
|
$ 2
|
|
|
$ 319,196
|
|
|
$ (177)
|
$ (214,842)
|
Beginning balance, shares at Dec. 31, 2020 |
|
|
|
24,773,361
|
|
|
|
|
|
|
|
Issuance of common stock, net of issuance costs |
|
$ 1,180
|
|
|
|
|
|
$ 1,180
|
|
|
|
Issuance of common stock, net of issuance costs, shares |
|
|
|
|
57,100
|
|
|
|
|
|
|
Issuances of common stock under employee stock plans |
121
|
|
|
|
|
|
121
|
|
|
|
|
Issuances of common stock under employee stock plans, shares |
|
|
|
31,620
|
|
|
|
|
|
|
|
Stock-based compensation |
2,687
|
|
|
|
|
|
2,687
|
|
|
|
|
Foreign currency translation gain (loss) |
38
|
|
|
|
|
|
|
|
|
38
|
|
Unrealized gain (loss) on marketable securities |
(50)
|
|
|
|
|
|
|
|
|
(50)
|
|
Net loss |
(16,514)
|
|
|
|
|
|
|
|
|
|
(16,514)
|
Ending balance at Mar. 31, 2021 |
91,641
|
|
|
$ 2
|
|
|
323,184
|
|
|
(189)
|
(231,356)
|
Ending balance, shares at Mar. 31, 2021 |
|
|
|
24,862,081
|
|
|
|
|
|
|
|
Beginning balance at Dec. 31, 2020 |
104,179
|
|
|
$ 2
|
|
|
319,196
|
|
|
(177)
|
(214,842)
|
Beginning balance, shares at Dec. 31, 2020 |
|
|
|
24,773,361
|
|
|
|
|
|
|
|
Foreign currency translation gain (loss) |
281
|
|
|
|
|
|
|
|
|
|
|
Unrealized gain (loss) on marketable securities |
(59)
|
|
|
|
|
|
|
|
|
|
|
Net loss |
(51,275)
|
|
|
|
|
|
|
|
|
|
|
Ending balance at Sep. 30, 2021 |
201,873
|
|
|
$ 3
|
|
|
467,942
|
|
|
45
|
(266,117)
|
Ending balance, shares at Sep. 30, 2021 |
|
|
|
29,513,754
|
|
|
|
|
|
|
|
Beginning balance at Mar. 31, 2021 |
91,641
|
|
|
$ 2
|
|
|
323,184
|
|
|
(189)
|
(231,356)
|
Beginning balance, shares at Mar. 31, 2021 |
|
|
|
24,862,081
|
|
|
|
|
|
|
|
Issuance of common stock, net of issuance costs |
|
3,510
|
$ 134,582
|
|
|
$ 1
|
|
3,510
|
$ 134,581
|
|
|
Issuance of common stock, net of issuance costs, shares |
|
|
|
|
157,871
|
4,356,060
|
|
|
|
|
|
Issuances of common stock under employee stock plans |
1,016
|
|
|
|
|
|
1,016
|
|
|
|
|
Issuances of common stock under employee stock plans, shares |
|
|
|
99,909
|
|
|
|
|
|
|
|
Stock-based compensation |
2,888
|
|
|
|
|
|
2,888
|
|
|
|
|
Foreign currency translation gain (loss) |
70
|
|
|
|
|
|
|
|
|
70
|
|
Unrealized gain (loss) on marketable securities |
(18)
|
|
|
|
|
|
|
|
|
(18)
|
|
Net loss |
(16,110)
|
|
|
|
|
|
|
|
|
|
(16,110)
|
Ending balance at Jun. 30, 2021 |
217,579
|
|
|
$ 3
|
|
|
465,179
|
|
|
(137)
|
(247,466)
|
Ending balance, shares at Jun. 30, 2021 |
|
|
|
29,475,921
|
|
|
|
|
|
|
|
Issuances of common stock under employee stock plans |
472
|
|
|
|
|
|
472
|
|
|
|
|
Issuances of common stock under employee stock plans, shares |
|
|
|
37,833
|
|
|
|
|
|
|
|
Stock-based compensation |
2,291
|
|
|
|
|
|
2,291
|
|
|
|
|
Foreign currency translation gain (loss) |
173
|
|
|
|
|
|
|
|
|
173
|
|
Unrealized gain (loss) on marketable securities |
9
|
|
|
|
|
|
|
|
|
9
|
|
Net loss |
(18,651)
|
|
|
|
|
|
|
|
|
|
(18,651)
|
Ending balance at Sep. 30, 2021 |
201,873
|
|
|
$ 3
|
|
|
467,942
|
|
|
45
|
(266,117)
|
Ending balance, shares at Sep. 30, 2021 |
|
|
|
29,513,754
|
|
|
|
|
|
|
|
Beginning balance at Dec. 31, 2021 |
186,380
|
|
|
$ 3
|
|
|
470,629
|
|
|
(206)
|
(284,046)
|
Beginning balance, shares at Dec. 31, 2021 |
|
|
|
29,555,119
|
|
|
|
|
|
|
|
Issuances of common stock under employee stock plans |
132
|
|
|
|
|
|
132
|
|
|
|
|
Issuances of common stock under employee stock plans, shares |
|
|
|
37,640
|
|
|
|
|
|
|
|
Stock-based compensation |
2,702
|
|
|
|
|
|
2,702
|
|
|
|
|
Foreign currency translation gain (loss) |
(201)
|
|
|
|
|
|
|
|
|
(201)
|
|
Unrealized gain (loss) on marketable securities |
(710)
|
|
|
|
|
|
|
|
|
(710)
|
|
Net loss |
(20,468)
|
|
|
|
|
|
|
|
|
|
(20,468)
|
Ending balance at Mar. 31, 2022 |
167,835
|
|
|
$ 3
|
|
|
473,463
|
|
|
(1,117)
|
(304,514)
|
Ending balance, shares at Mar. 31, 2022 |
|
|
|
29,592,759
|
|
|
|
|
|
|
|
Beginning balance at Dec. 31, 2021 |
186,380
|
|
|
$ 3
|
|
|
470,629
|
|
|
(206)
|
(284,046)
|
Beginning balance, shares at Dec. 31, 2021 |
|
|
|
29,555,119
|
|
|
|
|
|
|
|
Foreign currency translation gain (loss) |
715
|
|
|
|
|
|
|
|
|
|
|
Unrealized gain (loss) on marketable securities |
(962)
|
|
|
|
|
|
|
|
|
|
|
Net loss |
(60,887)
|
|
|
|
|
|
|
|
|
|
|
Ending balance at Sep. 30, 2022 |
189,306
|
|
|
$ 3
|
|
|
534,689
|
|
|
(453)
|
(344,933)
|
Ending balance, shares at Sep. 30, 2022 |
|
|
|
29,886,162
|
|
|
|
|
|
|
|
Beginning balance at Mar. 31, 2022 |
167,835
|
|
|
$ 3
|
|
|
473,463
|
|
|
(1,117)
|
(304,514)
|
Beginning balance, shares at Mar. 31, 2022 |
|
|
|
29,592,759
|
|
|
|
|
|
|
|
Proceeds from sale of pre-funded warrants in private placement, net of issuance costs |
49,784
|
|
|
|
|
|
49,784
|
|
|
|
|
Issuances of common stock under employee stock plans |
654
|
|
|
|
|
|
654
|
|
|
|
|
Issuances of common stock under employee stock plans, shares |
|
|
|
56,698
|
|
|
|
|
|
|
|
Stock-based compensation |
2,672
|
|
|
|
|
|
2,672
|
|
|
|
|
Foreign currency translation gain (loss) |
550
|
|
|
|
|
|
|
|
|
550
|
|
Unrealized gain (loss) on marketable securities |
(178)
|
|
|
|
|
|
|
|
|
(178)
|
|
Net loss |
(19,184)
|
|
|
|
|
|
|
|
|
|
(19,184)
|
Ending balance at Jun. 30, 2022 |
202,133
|
|
|
$ 3
|
|
|
526,573
|
|
|
(745)
|
(323,698)
|
Ending balance, shares at Jun. 30, 2022 |
|
|
|
29,649,457
|
|
|
|
|
|
|
|
Issuance of common stock, net of issuance costs |
|
$ 4,979
|
|
|
|
|
|
$ 4,979
|
|
|
|
Issuance of common stock, net of issuance costs, shares |
|
|
|
|
209,349
|
|
|
|
|
|
|
Issuances of common stock under employee stock plans |
272
|
|
|
|
|
|
272
|
|
|
|
|
Issuances of common stock under employee stock plans, shares |
|
|
|
27,356
|
|
|
|
|
|
|
|
Stock-based compensation |
2,865
|
|
|
|
|
|
2,865
|
|
|
|
|
Foreign currency translation gain (loss) |
366
|
|
|
|
|
|
|
|
|
366
|
|
Unrealized gain (loss) on marketable securities |
(74)
|
|
|
|
|
|
|
|
|
(74)
|
|
Net loss |
(21,235)
|
|
|
|
|
|
|
|
|
|
(21,235)
|
Ending balance at Sep. 30, 2022 |
$ 189,306
|
|
|
$ 3
|
|
|
$ 534,689
|
|
|
$ (453)
|
$ (344,933)
|
Ending balance, shares at Sep. 30, 2022 |
|
|
|
29,886,162
|
|
|
|
|
|
|
|