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Employee Benefit Plans (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Pension plans for sweden employees [Member] | Minimum [Member] |  |
Employee Benefit Plans (Details) [Line Items] |  |
Defined benefit plan contribution, percentage | 4.50% |
Pension plans for Swedish employees [Member] |  |
Employee Benefit Plans (Details) [Line Items] |  |
Defined benefit plan contribution, amount | $ 587,000 | $ 459,000
Pension plans for Swedish employees [Member] | Maximum [Member] |  |
Employee Benefit Plans (Details) [Line Items] |  |
Defined benefit plan contribution, percentage | 30.00% |
U.S. Employee 401K Pension Plan [Member] |  |
Employee Benefit Plans (Details) [Line Items] |  |
Defined benefit plan contribution, percentage | 6.00% |
Defined benefit plan contribution, amount | $ 10,000 | 6,000
Pension Plans for Taiwan Employees [Member] |  |
Employee Benefit Plans (Details) [Line Items] |  |
Defined benefit plan contribution, percentage | 6.00% |
Defined benefit plan contribution, amount | $ 2,000 | $ 4,000

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- Definition Maximum amount the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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