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v3.21.2

COMMITMENTS AND CONTINGENCIES (Details) | 3 Months Ended
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Jun. 28, 2020
COMMITMENTS AND CONTINGENCIES [Abstract] |
Percentage reduction of employees base salary | 20.00%

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- Definition Percentage reduction of employees base salary due to COVID-19. + References No definition available. + Details
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Namespace Prefix: | rave_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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