Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Deficit (unaudited) - USD ($)
$ in Thousands |
Convertible Preferred stock |
Common stock |
Additional paid-in capital |
Accumulated deficit |
Total |
| Balance at Feb. 28, 2019 |
|
$ 1
|
$ 38,881
|
$ (269,503)
|
$ (230,621)
|
| Balance (shares) at Feb. 28, 2019 |
|
3,616,549
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Exercise of stock options and common stock warrants |
|
|
356
|
|
356
|
| Exercise of stock options and common stock warrants (shares) |
0
|
90,322
|
|
|
|
| Stock-based compensation expense |
|
|
1,436
|
|
1,436
|
| Net loss |
|
|
|
(15,903)
|
(15,903)
|
| Balance at May. 31, 2019 |
|
$ 1
|
40,673
|
(285,406)
|
(244,732)
|
| Balance (shares) at May. 31, 2019 |
|
3,706,871
|
|
|
|
| Balance at Feb. 28, 2019 |
$ 214,664
|
|
|
|
|
| Balance (shares) at Feb. 28, 2019 |
18,640,901
|
|
|
|
|
| Balance at May. 31, 2019 |
$ 214,664
|
|
|
|
|
| Balance (shares) at May. 31, 2019 |
18,640,901
|
|
|
|
|
| Balance at Feb. 28, 2019 |
|
$ 1
|
38,881
|
(269,503)
|
(230,621)
|
| Balance (shares) at Feb. 28, 2019 |
|
3,616,549
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Net loss |
|
|
|
|
(30,929)
|
| Balance at Aug. 31, 2019 |
|
$ 1
|
50,939
|
(300,432)
|
(249,492)
|
| Balance (shares) at Aug. 31, 2019 |
|
4,401,727
|
|
|
|
| Balance at Feb. 28, 2019 |
$ 214,664
|
|
|
|
|
| Balance (shares) at Feb. 28, 2019 |
18,640,901
|
|
|
|
|
| Balance at Aug. 31, 2019 |
$ 214,664
|
|
|
|
|
| Balance (shares) at Aug. 31, 2019 |
18,640,901
|
|
|
|
|
| Balance at May. 31, 2019 |
|
$ 1
|
40,673
|
(285,406)
|
(244,732)
|
| Balance (shares) at May. 31, 2019 |
|
3,706,871
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Issuance of common stock in connection with acquisition |
|
|
6,164
|
|
6,164
|
| Issuance of common stock in connection with acquisition (shares) |
|
279,436
|
|
|
|
| Issuance of common stock warrants in connection with July 2019 debt |
|
|
779
|
|
779
|
| Exercise of stock options and common stock warrants |
$ 0
|
$ 0
|
1,428
|
0
|
1,428
|
| Exercise of stock options and common stock warrants (shares) |
0
|
415,420
|
|
|
|
| Stock-based compensation expense |
|
|
1,895
|
|
1,895
|
| Net loss |
|
|
|
(15,026)
|
(15,026)
|
| Balance at Aug. 31, 2019 |
|
$ 1
|
50,939
|
(300,432)
|
(249,492)
|
| Balance (shares) at Aug. 31, 2019 |
|
4,401,727
|
|
|
|
| Balance at May. 31, 2019 |
$ 214,664
|
|
|
|
|
| Balance (shares) at May. 31, 2019 |
18,640,901
|
|
|
|
|
| Balance at Aug. 31, 2019 |
$ 214,664
|
|
|
|
|
| Balance (shares) at Aug. 31, 2019 |
18,640,901
|
|
|
|
|
| Balance at Feb. 29, 2020 |
|
$ 2
|
64,071
|
(320,868)
|
(256,795)
|
| Balance (shares) at Feb. 29, 2020 |
|
6,033,450
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Exercise of stock options and common stock warrants |
|
|
2,999
|
|
2,999
|
| Exercise of stock options and common stock warrants (shares) |
|
347,807
|
|
|
|
| Stock-based compensation expense |
|
|
1,259
|
|
1,259
|
| Net loss |
|
|
|
(13,960)
|
(13,960)
|
| Balance at May. 31, 2020 |
|
$ 2
|
68,329
|
(334,828)
|
(266,497)
|
| Balance (shares) at May. 31, 2020 |
|
6,381,257
|
|
|
|
| Balance at Feb. 29, 2020 |
$ 233,022
|
|
|
|
$ 233,022
|
| Balance (shares) at Feb. 29, 2020 |
19,513,939
|
|
|
|
19,513,939
|
| Balance at May. 31, 2020 |
$ 233,022
|
|
|
|
|
| Balance (shares) at May. 31, 2020 |
19,513,939
|
|
|
|
|
| Balance at Feb. 29, 2020 |
|
$ 2
|
64,071
|
(320,868)
|
$ (256,795)
|
| Balance (shares) at Feb. 29, 2020 |
|
6,033,450
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Net loss |
|
|
|
|
(29,331)
|
| Balance at Aug. 31, 2020 |
|
$ 5
|
542,298
|
(350,199)
|
192,104
|
| Balance (shares) at Aug. 31, 2020 |
|
49,269,342
|
|
|
|
| Balance at Feb. 29, 2020 |
$ 233,022
|
|
|
|
$ 233,022
|
| Balance (shares) at Feb. 29, 2020 |
19,513,939
|
|
|
|
19,513,939
|
| Balance at Aug. 31, 2020 |
|
|
|
|
|
| Balance (shares) at Aug. 31, 2020 |
|
|
|
|
0
|
| Balance at May. 31, 2020 |
|
$ 2
|
68,329
|
(334,828)
|
$ (266,497)
|
| Balance (shares) at May. 31, 2020 |
|
6,381,257
|
|
|
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Issuance of common stock in connection with acquisition |
|
|
156
|
|
156
|
| Issuance of common stock in connection with acquisition (shares) |
|
97,019
|
|
|
|
| Exercise of stock options and common stock warrants |
|
|
1,726
|
|
1,726
|
| Exercise of stock options and common stock warrants (shares) |
|
383,575
|
|
|
|
| Issuance of common stock in initial public offering, net of issuance costs of $4,596 |
|
$ 1
|
231,227
|
|
231,228
|
| Issuance of common stock in initial public offering, net of issuance costs of $4,596 (shares) |
|
11,526,134
|
|
|
|
| Conversion of preferred stock into common stock |
|
$ 2
|
233,020
|
|
233,022
|
| Conversion of preferred stock into common stock (shares) |
|
29,479,521
|
|
|
|
| Automatic exercise of warrants into common stock in connection with initial public offering |
|
1,401,836
|
|
|
|
| Issuance of stock options to satisfy bonus obligation |
|
|
5,735
|
|
5,735
|
| Stock-based compensation expense |
|
|
2,105
|
|
2,105
|
| Net loss |
|
|
|
(15,371)
|
(15,371)
|
| Balance at Aug. 31, 2020 |
|
$ 5
|
$ 542,298
|
$ (350,199)
|
192,104
|
| Balance (shares) at Aug. 31, 2020 |
|
49,269,342
|
|
|
|
| Balance at May. 31, 2020 |
$ 233,022
|
|
|
|
|
| Balance (shares) at May. 31, 2020 |
19,513,939
|
|
|
|
|
| Increase (Decrease) in Temporary Equity [Roll Forward] |
|
|
|
|
|
| Conversion of preferred stock into common stock |
$ (233,022)
|
|
|
|
|
| Conversion of preferred stock into common stock (shares) |
(19,513,939)
|
|
|
|
|
| Balance at Aug. 31, 2020 |
|
|
|
|
|
| Balance (shares) at Aug. 31, 2020 |
|
|
|
|
0
|