Individual [Axis] Principal Executive Officers [Member] James Martin [Member] Sam Lee [Member] PEO [Member] Adjustment to Compensation [Axis] The Fair Value Of All Awards Granted During Year That Were Outstanding And Unvested [Member] The Change In Fair Value Of Awards Granted In Prior To Period That Are Outstanding And Unvested [Member] The Fair Value As Of The Vesting Date Of Awards That Were Granted And Vested In The Same Year [Member] The Change As Of The Vesting Date In Fair Value Of Awards Granted Prior To Year For Which All Applicable Vesting Conditions Were Satisfied [Member] Awards That Failed To Meet The Applicable Vesting Conditions During Year [Member] The Dollar Value Of Any Dividends Or Other Earnings Paid On Stock Or Option Awards Prior To The Vesting Date That Are Not Otherwise Included In The Total Compensation For Year [Member] Cover [Abstract] Document Type Entity Registrant Name Entity Central Index Key Document Period End Date Amendment Flag Amendment Description Pay vs Performance Disclosure [Table] Disclosure - Pay vs Performance Disclosure Company Selected Measure Name Named Executive Officers, Footnote [Text Block] Peer Group Issuers, Footnote Changed Peer Group, Footnote PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote [Text Block] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Company Selected Measure Total Shareholder Return Vs Peer Group Compensation Actually Paid vs. Other Measure Tabular List, Table Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Attributable to Parent Company Selected Measure Amount Other Performance Measure, Amount Adjustment to Compensation Amount PEO Name Name Non-GAAP Measure Description Additional 402(v) Disclosure Pension Benefits Adjustments, Footnote Equity Awards Adjustments, Footnote Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis Stock Price or TSR Estimation Method Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability Name Compensation Amount Restatement does not require Recovery Award Timing Disclosures [Line Items] Award Timing MNPI Disclosure [Text Block] Award Timing Method Award Timing Predetermined [Flag] Award Timing MNPI Considered Award Timing, How MNPI Considered MNPI Disclosure Timed for Compensation Value [Flag] Awards Close in Time to MNPI Disclosures, Table Name Underlying Securities Exercise Price Fair Value as of Grant Date Underlying Security Market Price Change Trading Arrangements, by Individual [Table] Trading Arrangement [Axis] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted Adoption Date Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated Termination Date Expiration Date Arrangement Duration Aggregate Available Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted [Flag] Insider Trading Policies and Procedures Not Adopted Sam Lee [Member] James Martin [Member] Principal Executive Officers [Member] The Fair Value Of All Awards Granted During Year That Were Outstanding And Unvested [Member] The Change In Fair Value Of Awards Granted In Prior To Period That Are Outstanding And Unvested [Member] The Fair Value As Of The Vesting Date Of Awards That Were Granted And Vested In The Same Year [Member] The Change As Of The Vesting Date In Fair Value Of Awards Granted Prior To Year For Which All Applicable Vesting Conditions Were Satisfied [Member] Awards That Failed To Meet The Applicable Vesting Conditions During Year [Member] The Dollar Value Of Any Dividends Or Other Earnings Paid On Stock Or Option Awards Prior To The Vesting Date That Are Not Otherwise Included In The Total Compensation For Year [Member] Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name