Shareholders' Equity - Additional Information (Detail)
$ / shares in Units, $ in Thousands |
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1 Months Ended |
12 Months Ended |
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Nov. 22, 2021
USD ($)
Year
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Oct. 12, 2021
USD ($)
Year
$ / shares
shares
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Nov. 22, 2021
USD ($)
|
Sep. 30, 2020
USD ($)
$ / shares
shares
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Dec. 31, 2021
USD ($)
$ / shares
shares
|
Dec. 31, 2020
USD ($)
$ / shares
shares
|
Dec. 31, 2019
USD ($)
shares
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Sep. 30, 2020
SFr / shares
shares
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Apr. 30, 2020
SFr / shares
shares
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| Disclosure of classes of share capital [Line Items] |
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| Share capital |
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$ 6,489
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$ 4,574
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| Nominal value per share of non-voting shares | $ / shares |
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$ 0.0769
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| Share issue related cost |
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$ 2,043
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$ 130
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| Issuance of shares | shares |
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2,320,266
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2,320,266
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3,308,396
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| Par value per share | SFr / shares |
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SFr 0.0769
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SFr 0.0769
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| Proceeds from the exercise of warrants |
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$ 22,117
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| Warrants Issued from Securities Purchase Agreement with JGB Management, Inc. [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Risk-free interest rate |
0.95%
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| Expected term | Year |
3
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| Implied volatility |
98.20%
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| Warrants, fair value |
$ 1,800
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$ 1,800
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| Decrease in fair value of warrants |
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$ 800
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| Warrants Issued from Securities Purchase Agreement with JGB Management, Inc. [Member] | Tranche one [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Warrants Exercise Price Per Share | $ / shares |
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$ 3.67
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| Number of warrants issued | shares |
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1,634,877
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| Transaction fees of warrant liability |
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$ 200
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| Warrants Issued from Securities Purchase Agreement with JGB Management, Inc. [Member] | Tranche one [Member] | Level 2 of Fair Value Hierarchy [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Risk-free interest rate |
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0.64%
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| Expected term | Year |
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3
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| Implied volatility |
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98.50%
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| Warrants, fair value |
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$ 2,600
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| 2013 Equity Incentive Plan [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Nominal value per share of non-voting shares | $ / shares |
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$ 0.0769
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| Issuance of shares | shares |
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0
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168,641
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| Treasury Shares [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Number of shares issued | shares |
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5,265,203
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3,608,291
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| Common shares [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Share capital |
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$ 6,500
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$ 4,600
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| Number of shares issued and fully paid | shares |
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79,955,268
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57,552,578
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44,423,448
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| ATM [Member] | Treasury Shares [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Number of shares issued | shares |
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15,933,420
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5,995,897
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| Share price | $ / shares |
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$ 3.28
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$ 2.82
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| Proceeds from sale of treasury shares |
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$ 53,700
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$ 16,900
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| Share issue related cost |
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$ 2,000
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$ 500
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| Number of warrants exercised | shares |
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6,448,240
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| Warrants Exercise Price Per Share | $ / shares |
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$ 3.43
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| Proceeds from the exercise of warrants |
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$ 22,100
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| IPO [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Proceeds from issue of common shares |
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$ 20,000
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| Number of purchase warrants exercised | shares |
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0
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| IPO [Member] | Underwritten public offering [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Number of shares issued | shares |
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6,448,240
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6,448,240
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| Share price | $ / shares |
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$ 2.869
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| Warrant to purchase common share, exercise price | $ / shares |
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$ 3.43
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| IPO [Member] | Concurrent private placement [Member] |
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| Disclosure of classes of share capital [Line Items] |
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| Number of shares issued | shares |
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516,352
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516,352
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| Share price | $ / shares |
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$ 2.905
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| Warrant to purchase common share, exercise price | $ / shares |
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$ 3.43
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| Proceeds from issue of common shares |
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$ 1,500
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