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Note 11 - Recognition of Unvested Share-based Awards Expenses (Details)
$ in Thousands
Jan. 02, 2016
USD ($)
Fiscal Year 2016 [Member]  
Unrecognized expenses unvested share based awards $ 638
Fiscal Year 2017 [Member]  
Unrecognized expenses unvested share based awards 362
Unrecognized expenses unvested share based awards $ 1,000