Condensed Consolidated Statements of Shareholders' Deficit and Convertible Preferred Shares - USD ($) $ in Thousands |
Common shares |
Class A-1 preferred shares |
Class A-2 preferred shares |
Class B preferred shares |
Class C preferred shares |
Class D-1 preferred shares |
Class D-2 preferred shares |
Additional paid-in capital |
Cumulative translation adjustment |
Accumulated deficit |
Total |
| Balance at the beginning of period at Dec. 31, 2017 |
$ 1,228
|
|
|
|
|
|
|
$ 2,372
|
$ (1,634)
|
$ (35,085)
|
|
| Balance at the beginning of period (in shares) at Dec. 31, 2017 |
239,990
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period at Dec. 31, 2017 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period (in shares) at Dec. 31, 2017 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the beginning of period at Dec. 31, 2017 |
|
|
|
|
|
|
|
|
|
|
$ 25,985
|
| Increase (Decrease) in Stockholders' Equity and Temporary Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Net loss and comprehensive loss |
|
|
|
|
|
|
|
|
|
(4,181)
|
(4,181)
|
| Exercise of stock options (note 5) |
$ 55
|
|
|
|
|
|
|
(25)
|
|
|
30
|
| Exercise of stock options (note 5) (in shares) |
37,675
|
|
|
|
|
|
|
|
|
|
|
| Share-based compensation (note 5) |
|
|
|
|
|
|
|
125
|
|
|
125
|
| Balance at the end of period at Mar. 31, 2018 |
$ 1,283
|
|
|
|
|
|
|
2,472
|
(1,634)
|
(39,266)
|
|
| Balance at the end of period (in shares) at Mar. 31, 2018 |
277,665
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the end of period at Mar. 31, 2018 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the end of period (in shares) at Mar. 31, 2018 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the end of period at Mar. 31, 2018 |
|
|
|
|
|
|
|
|
|
|
21,959
|
| Balance at the beginning of period at Dec. 31, 2017 |
$ 1,228
|
|
|
|
|
|
|
2,372
|
(1,634)
|
(35,085)
|
|
| Balance at the beginning of period (in shares) at Dec. 31, 2017 |
239,990
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period at Dec. 31, 2017 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period (in shares) at Dec. 31, 2017 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the beginning of period at Dec. 31, 2017 |
|
|
|
|
|
|
|
|
|
|
25,985
|
| Increase (Decrease) in Stockholders' Equity and Temporary Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Net loss and comprehensive loss |
|
|
|
|
|
|
|
|
|
|
$ (7,769)
|
| Exercise of stock options (note 5) |
|
|
|
|
|
|
|
(32)
|
|
|
|
| Exercise of stock options (note 5) (in shares) |
|
|
|
|
|
|
|
|
|
|
42,781
|
| Share-based compensation (note 5) |
|
|
|
|
|
|
|
204
|
|
|
|
| Balance at the end of period at Jun. 30, 2018 |
$ 1,297
|
|
|
|
|
|
|
2,544
|
(1,634)
|
(42,855)
|
|
| Balance at the end of period (in shares) at Jun. 30, 2018 |
282,771
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the end of period at Jun. 30, 2018 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the end of period (in shares) at Jun. 30, 2018 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the end of period at Jun. 30, 2018 |
|
|
|
|
|
|
|
|
|
|
$ 18,456
|
| Balance at the beginning of period at Mar. 31, 2018 |
$ 1,283
|
|
|
|
|
|
|
2,472
|
(1,634)
|
(39,266)
|
|
| Balance at the beginning of period (in shares) at Mar. 31, 2018 |
277,665
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period at Mar. 31, 2018 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period (in shares) at Mar. 31, 2018 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the beginning of period at Mar. 31, 2018 |
|
|
|
|
|
|
|
|
|
|
21,959
|
| Increase (Decrease) in Stockholders' Equity and Temporary Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Net loss and comprehensive loss |
|
|
|
|
|
|
|
|
|
(3,589)
|
(3,589)
|
| Exercise of stock options (note 5) |
$ 14
|
|
|
|
|
|
|
(7)
|
|
|
7
|
| Exercise of stock options (note 5) (in shares) |
5,106
|
|
|
|
|
|
|
|
|
|
|
| Share-based compensation (note 5) |
|
|
|
|
|
|
|
79
|
|
|
79
|
| Balance at the end of period at Jun. 30, 2018 |
$ 1,297
|
|
|
|
|
|
|
2,544
|
(1,634)
|
(42,855)
|
|
| Balance at the end of period (in shares) at Jun. 30, 2018 |
282,771
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the end of period at Jun. 30, 2018 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the end of period (in shares) at Jun. 30, 2018 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the end of period at Jun. 30, 2018 |
|
|
|
|
|
|
|
|
|
|
18,456
|
| Balance at the beginning of period at Dec. 31, 2018 |
$ 2,039
|
|
|
|
|
|
|
2,655
|
(1,634)
|
(58,270)
|
$ (55,210)
|
| Balance at the beginning of period (in shares) at Dec. 31, 2018 |
596,787
|
|
|
|
|
|
|
|
|
|
596,787
|
| Temporary Equity, Balance at the beginning of period at Dec. 31, 2018 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 64,719
|
$ 14,935
|
|
|
|
$ 138,758
|
| Temporary Equity, Balance at the beginning of period (in shares) at Dec. 31, 2018 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
6,893,236
|
1,223,656
|
|
|
|
|
| Total Equity, Balance at the beginning of period at Dec. 31, 2018 |
|
|
|
|
|
|
|
|
|
|
83,548
|
| Increase (Decrease) in Stockholders' Equity and Temporary Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Net loss and comprehensive loss |
|
|
|
|
|
|
|
|
|
(10,452)
|
(10,452)
|
| Exercise of stock options (note 5) |
$ 51
|
|
|
|
|
|
|
(26)
|
|
|
25
|
| Exercise of stock options (note 5) (in shares) |
18,153
|
|
|
|
|
|
|
|
|
|
|
| Share-based compensation (note 5) |
|
|
|
|
|
|
|
211
|
|
|
211
|
| Balance at the end of period at Mar. 31, 2019 |
$ 2,090
|
|
|
|
|
|
|
2,840
|
(1,634)
|
(68,722)
|
|
| Balance at the end of period (in shares) at Mar. 31, 2019 |
614,940
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the end of period at Mar. 31, 2019 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 64,719
|
$ 14,935
|
|
|
|
|
| Temporary Equity, Balance at the end of period (in shares) at Mar. 31, 2019 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
6,893,236
|
1,223,656
|
|
|
|
|
| Total Equity, Balance at the end of period at Mar. 31, 2019 |
|
|
|
|
|
|
|
|
|
|
73,332
|
| Balance at the beginning of period at Dec. 31, 2018 |
$ 2,039
|
|
|
|
|
|
|
2,655
|
(1,634)
|
(58,270)
|
$ (55,210)
|
| Balance at the beginning of period (in shares) at Dec. 31, 2018 |
596,787
|
|
|
|
|
|
|
|
|
|
596,787
|
| Temporary Equity, Balance at the beginning of period at Dec. 31, 2018 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 64,719
|
$ 14,935
|
|
|
|
$ 138,758
|
| Temporary Equity, Balance at the beginning of period (in shares) at Dec. 31, 2018 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
6,893,236
|
1,223,656
|
|
|
|
|
| Total Equity, Balance at the beginning of period at Dec. 31, 2018 |
|
|
|
|
|
|
|
|
|
|
83,548
|
| Increase (Decrease) in Stockholders' Equity and Temporary Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Net loss and comprehensive loss |
|
|
|
|
|
|
|
|
|
|
$ (24,110)
|
| Exercise of stock options (note 5) |
|
|
|
|
|
|
|
(26)
|
|
|
|
| Exercise of stock options (note 5) (in shares) |
|
|
|
|
|
|
|
|
|
|
18,153
|
| Share-based compensation (note 5) |
|
|
|
|
|
|
|
487
|
|
|
|
| Balance at the end of period at Jun. 30, 2019 |
$ 226,211
|
|
|
|
|
|
|
3,116
|
(1,634)
|
(82,380)
|
$ 145,313
|
| Balance at the end of period (in shares) at Jun. 30, 2019 |
24,490,742
|
|
|
|
|
|
|
|
|
|
24,490,742
|
| Temporary Equity, Balance at the end of period at Jun. 30, 2019 |
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the end of period (in shares) at Jun. 30, 2019 |
|
0
|
0
|
0
|
0
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the end of period at Jun. 30, 2019 |
|
|
|
|
|
|
|
|
|
|
$ 145,313
|
| Balance at the beginning of period at Mar. 31, 2019 |
$ 2,090
|
|
|
|
|
|
|
2,840
|
(1,634)
|
(68,722)
|
|
| Balance at the beginning of period (in shares) at Mar. 31, 2019 |
614,940
|
|
|
|
|
|
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period at Mar. 31, 2019 |
|
$ 2,027
|
$ 12,643
|
$ 17,198
|
$ 27,236
|
$ 64,719
|
$ 14,935
|
|
|
|
|
| Temporary Equity, Balance at the beginning of period (in shares) at Mar. 31, 2019 |
|
372,211
|
2,443,914
|
2,830,907
|
3,786,878
|
6,893,236
|
1,223,656
|
|
|
|
|
| Total Equity, Balance at the beginning of period at Mar. 31, 2019 |
|
|
|
|
|
|
|
|
|
|
73,332
|
| Increase (Decrease) in Stockholders' Equity and Temporary Equity [Roll Forward] |
|
|
|
|
|
|
|
|
|
|
|
| Net loss and comprehensive loss |
|
|
|
|
|
|
|
|
|
(13,658)
|
(13,658)
|
| Share-based compensation (note 5) |
|
|
|
|
|
|
|
276
|
|
|
276
|
| Issuance of common shares (note 5) |
$ 85,363
|
|
|
|
|
|
|
|
|
|
85,363
|
| Issuance of common shares (note 5) (in shares) |
6,325,000
|
|
|
|
|
|
|
|
|
|
|
| Preferred share conversion (note 5) |
$ 138,758
|
$ (2,027)
|
$ (12,643)
|
$ (17,198)
|
$ (27,236)
|
$ (64,719)
|
$ (14,935)
|
|
|
|
|
| Preferred share conversion (note 5) |
17,550,802
|
(372,211)
|
(2,443,914)
|
(2,830,907)
|
(3,786,878)
|
(6,893,236)
|
(1,223,656)
|
|
|
|
|
| Balance at the end of period at Jun. 30, 2019 |
$ 226,211
|
|
|
|
|
|
|
$ 3,116
|
$ (1,634)
|
$ (82,380)
|
$ 145,313
|
| Balance at the end of period (in shares) at Jun. 30, 2019 |
24,490,742
|
|
|
|
|
|
|
|
|
|
24,490,742
|
| Temporary Equity, Balance at the end of period at Jun. 30, 2019 |
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
$ 0
|
|
|
|
|
| Temporary Equity, Balance at the end of period (in shares) at Jun. 30, 2019 |
|
0
|
0
|
0
|
0
|
0
|
0
|
|
|
|
|
| Total Equity, Balance at the end of period at Jun. 30, 2019 |
|
|
|
|
|
|
|
|
|
|
$ 145,313
|