Shareholders' Equity - Schedule of All Outstanding Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 28, 2019 |
Dec. 29, 2018 |
Dec. 30, 2017 |
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | |||
| Options Outstanding, Beginning Balance | 100,900 | 125,500 | |
| Options Outstanding, Cancelled/expired | (56,500) | (24,600) | |
| Options Outstanding, Ending Balance | 44,400 | 100,900 | 125,500 |
| Weighted Average Exercise Price | |||
| Weighted Average Exercise Price, Beginning Balance | $ 11.07 | $ 12.80 | |
| Weighted Average Exercise Price, Cancelled/expired | 9.30 | 19.89 | |
| Weighted Average Exercise Price, Ending Balance | $ 13.31 | $ 11.07 | $ 12.80 |
| Aggregate Intrinsic Value, Options Outstanding | $ 0 | $ 0 | $ 0 |
| Weighted Average Remaining Contractual Life | 3 years | 3 years 10 months 2 days | 4 years 2 months 19 days |
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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