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ORDINARY SHARE AND SHARE INCENTIVE PLANS - Stock Incentive Plans - Additional Information (Details) - $ / shares |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 24, 2022 | Jun. 29, 2022 | Jun. 28, 2022 | Aug. 10, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jun. 27, 2022 | Dec. 31, 2016
Stock Incentive Plans |  |  |  |  |  |  |  |  |
Number of shares authorized |  |  | 62,500,000 |  |  |  |  | 250,000,000 |
Reverse split stock |  |  | one-for-four |  | one-for-four | one-for-four | one-for-four |  |
Ordinary share, par value (in dollars per share) |  |  | $ 0.015 |  | $ 0.015 | $ 0.015 |  | $ 0.00375 |
2017 Equity Incentive Plan |  |  |  |  |  |  |  |  |
Stock Incentive Plans |  |  |  |  |  |  |  |  |
Number of shares authorized |  |  | 500,000 | 250,000 |  |  |  |  | 2,000,000
Number of additional ordinary shares | 430,000 |  |  | 1,000,000 |  |  |  |  |
Number of ordinary shares available for issuance pursuant to future grants |  |  |  |  | 213,134 |  |  |  |
Number of shares transferred from the prior plan |  |  |  |  | 446,200 |  |  |  |
2017 Equity Incentive Plan | Maximum |  |  |  |  |  |  |  |  |
Stock Incentive Plans |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 4 years |  |  |  |
2017 Equity Incentive Plan | Minimum |  |  |  |  |  |  |  |  |
Stock Incentive Plans |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 2 years |  |  |  |
2017 Equity Incentive Plan | Stock Options and Restricted Stock Units RSU |  |  |  |  |  |  |  |  |
Stock Incentive Plans |  |  |  |  |  |  |  |  |
Number of awards outstanding (in shares) |  |  |  |  | 390,111 |  |  |  |
Stock Incentive Plans |  |  |  |  |  |  |  |  |
Stock Incentive Plans |  |  |  |  |  |  |  |  |
Number of shares authorized |  |  | 62,500,000 |  |  |  |  | 250,000,000 |
Reverse split stock |  | one-for-four | one-for-four |  |  |  |  |  |
Ordinary share, par value (in dollars per share) |  |  | $ 0.015 |  |  |  |  | $ 0.00375 |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770 + Details
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- Definition Represents the number of shares originally approved (usually by shareholders and board of directors) for awards under the prior plan of equity based compensation transferred to the current plan. + References No definition available. + Details
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