Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Additional Information (Details)

Shareholders' Equity - Additional Information (Details)													1 Months Ended		9 Months Ended		44 Months Ended
Shareholders' Equity - Additional Information (Details)	Aug. 09, 2024 USD ($) $ / shares shares	Oct. 17, 2022 USD ($)	Oct. 07, 2022 USD ($) $ / shares	Feb. 12, 2021 $ / shares shares	Feb. 10, 2021 $ / shares shares	Feb. 08, 2021 $ / shares shares	Oct. 31, 2020 $ / shares shares	Oct. 27, 2020 $ / shares shares	Jul. 02, 2020 $ / shares shares	Jun. 05, 2020 $ / shares shares	Jun. 03, 2020 $ / shares shares	Apr. 27, 2018 $ / shares shares	Nov. 04, 2024 USD ($) $ / shares shares	Jun. 30, 2020 $ / shares shares	Sep. 30, 2024 USD ($) Vote $ / shares shares	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	May 03, 2023 $ / shares shares
Class Of Stock [Line Items]
Increase to authorized ordinary shares																			60,000,000
Ordinary shares, par value \| $ / shares															$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Aggregate offering price of shares \| $															$ 227,000		$ 227,000	$ 135,000
Ordinary shares, shares authorized															80,000,000		80,000,000	80,000,000
Number of vote per common share \| Vote															1
Common stock rights and preferences															There are no redemption or sinking fund provisions with respect to the authorized ordinary shares.
Authorized amount for sale of stock \| $		$ 100,000,000
Ordinary shares, shares issued															22,705,994		22,705,994	13,499,003
Proceeds from registered direct offerings, net of transaction costs \| $															$ 12,814,000	$ 445,000
Aggregate principal amount of exchangeable notes \| $																	$ 40,691,000
Undesignated preferred shares, par value \| $ / shares															$ 0.01		$ 0.01	$ 0.01
Undesignated preferred shares, authorized															100,000,000		100,000,000	100,000,000
Undesignated preferred shares issued															0		0	0
Sales Agreement With H.C. Wainwright
Class Of Stock [Line Items]
Ordinary shares, par value \| $ / shares			$ 0.01
Subsequent Events \| Sales Agreement With H.C. Wainwright
Class Of Stock [Line Items]
Number of ordinary shares sold													4,500,000
Offering price per share \| $ / shares													$ 1.55
Proceeds from registered direct offerings, net of transaction costs \| $													$ 6,700,000
Maximum \| Sales Agreement With H.C. Wainwright
Class Of Stock [Line Items]
May offer and sell ordinary shares for aggregate gross sales proceeds \| $			$ 16,000,000
2024 Rights Offering
Class Of Stock [Line Items]
Subscription price per whole unit \| $ / shares	$ 1.21
Aggregate gross proceeds from rights offering \| $	$ 7,400,000
Aggregate net proceeds from rights offering \| $	$ 5,400,000
Unit description															(a) one ordinary share, (b) a warrant to purchase 0.50 ordinary shares, at an exercise price of $1.21 per whole ordinary share from the date of issuance through its expiration one year from the date of issuance ("1-year warrants") and (c) a warrant to purchase one ordinary share, at an exercise price of $1.21 per whole ordinary share from the date of issuance through its expiration five years from the date of issuance ("5-year warrants" and, together with the 1-year warrants, the “warrants”).
Number of units sold	6,121,965
Warrants to purchase ordinary shares, exercise price \| $ / shares	$ 1.21
Private Placement \| Securities Purchase Agreement
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares										13,868
Warrants to purchase ordinary shares, exercise price \| $ / shares										$ 31.5465	$ 24.3
Warrants expiry date										Jun. 03, 2025	Dec. 05, 2025
Warrants exercisable date										Jun. 03, 2020
Percentage of ordinary shares issued to purchase warrants										7.00%
Private Placement \| Securities Purchase Agreement \| Maximum
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares											99,057
Private Placement \| June 30 SPA
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares									15,739
Warrants to purchase ordinary shares, exercise price \| $ / shares									$ 27.7965					$ 21.3
Warrants expiry date									Jun. 30, 2025					Jan. 02, 2026
Percentage of ordinary shares issued to purchase warrants									7.00%
Proceeds from exercise of warrants related to registered direct offering \| $															$ 1,796,000
Warrants exercised															84,317		84,317
Private Placement \| June 30 SPA \| Maximum
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares														112,422
October Offering
Class Of Stock [Line Items]
Proceeds from registered direct offerings, net of transaction costs \| $															$ 13,885,000
Number of warrants to purchase ordinary shares							125,641
Number of warrants exercised for ordinary shares															1,392,701		1,392,701
Warrants to purchase ordinary shares, exercise price \| $ / shares							$ 12.1875	$ 9.75
Warrants expiry date							Oct. 22, 2025	Oct. 27, 2025
Percentage of ordinary shares issued to purchase warrants							7.00%
October Offering \| Maximum
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares								1,346,153
February Underwritten Offering
Class Of Stock [Line Items]
Offering closing date					Feb. 10, 2021	Feb. 08, 2021
Additional ordinary shares that can be purchased by underwriter					347,826
Number of warrants exercised for ordinary shares															25,333		25,333
Warrants to purchase ordinary shares, exercise price \| $ / shares					$ 21.5625	$ 21.5625
Warrants expiry date					Feb. 03, 2026	Feb. 03, 2026
Percentage of ordinary shares issued to purchase warrants					7.00%	7.00%
Proceeds from warrants connected to registered direct offerings \| $															$ 546,000
February Underwritten Offering \| Maximum
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares					24,347	162,318
At-the-market agreement
Class Of Stock [Line Items]
Number of ordinary shares sold															3,055,882
Offering price per share \| $ / shares															$ 2.49		$ 2.49
Proceeds from registered direct offerings, net of transaction costs \| $															$ 7,400,000
February Registered Direct Offering
Class Of Stock [Line Items]
Offering closing date				Feb. 12, 2021
Number of warrants to purchase ordinary shares				81,666
Warrants to purchase ordinary shares, exercise price \| $ / shares				$ 37.5
Warrants expiry date				Feb. 09, 2026
Percentage of ordinary shares issued to purchase warrants				7.00%
Warrants to Purchase 19,890 Ordinary Shares \| Silicon Valley Bank and Life Sciences Fund II LLC
Class Of Stock [Line Items]
Warrants expiry date												Apr. 27, 2028
1-Year Warrant \| 2024 Rights Offering
Class Of Stock [Line Items]
Number of shares that can be purchased with each warrant	0.5
Number of warrants to purchase ordinary shares	3,060,982
Warrants to purchase ordinary shares, exercise price \| $ / shares	$ 1.21														$ 1.21		1.21
5-Year Warrants \| 2024 Rights Offering
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares	6,121,965
Warrants to purchase ordinary shares, exercise price \| $ / shares	$ 1.21														1.21		1.21
Series B Convertible Preferred Shares \| Silicon Valley Bank and Life Sciences Fund II LLC
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares												19,890
Warrants to purchase ordinary shares, exercise price \| $ / shares												$ 282.75
Undesignated Preferred Shares
Class Of Stock [Line Items]
Undesignated preferred shares, par value \| $ / shares															$ 0.01		$ 0.01
Undesignated preferred shares, authorized															100,000,000		100,000,000
Designated Preferred Shares
Class Of Stock [Line Items]
Undesignated preferred shares issued															0		0	0
Ordinary Shares \| Silicon Valley Bank and Life Sciences Fund II LLC
Class Of Stock [Line Items]
Number of warrants to purchase ordinary shares												1,326
Exchangeable Notes
Class Of Stock [Line Items]
Ordinary shares, shares issued															3,760,155		3,760,155
Aggregate principal amount of exchangeable notes \| $																	$ 40,691,000
Aggregate principal amount \| $															$ 11,117,000		11,117,000
Exchangeable Notes \| Private Placement
Class Of Stock [Line Items]
Aggregate principal amount of exchangeable notes \| $																	$ 40,691,000