XML 56 R41.htm IDEA: XBRL DOCUMENT
v3.20.4

Summary of Significant Accounting Policies - Additional Information (Details) - shares | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Accounting Policies [Abstract] |  |  |
Weighted average number diluted shares outstanding (shares) | 43,000 | 9,000 | 28,000

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration