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Income Taxes (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Mar. 27, 2020
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Operating Loss Carryforwards [Line Items]        
Income Tax Holiday, Aggregate Dollar Amount   $ 1,400    
Regular corporate income tax rate in India   50.00%    
Valuation allowance   $ 74,631 $ 66,819  
Undistributed earnings of foreign subsidiaries   8,400 6,300  
Unrecognized tax benefits that would impact effective tax rate   600    
Interest and penalty expense (benefit)   100 100 $ 100
Interest and penalties accrued   500 $ 500  
CARES Act [Member]        
Operating Loss Carryforwards [Line Items]        
Tax credit carryforward, description the CARES Act provides, among other provisions, for the deferral of the employer-paid portion of social security taxes through the end of 2020, with 50% of the deferred amount due December 31, 2021 and the remaining 50% due December 31, 2022; the CARES Act also provides for certain employee retention tax credits.      
Percentage of deferral of the employer-paid portion of social security taxes due in December 31, 2021 50.00%      
Percentage of deferral of the employer-paid portion of social security taxes due in December 31, 2022 50.00%      
Additional liquidity during the current year   100    
Federal and State Deferred Tax Assets [Member]        
Operating Loss Carryforwards [Line Items]        
Valuation allowance   73,700    
Deferred Tax Assets in Hong Kong [Member]        
Operating Loss Carryforwards [Line Items]        
Valuation allowance   900    
INDIA        
Operating Loss Carryforwards [Line Items]        
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax   1,400    
Federal [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards   199,100    
Operating loss carryforwards, not subject to expiration   46,800    
Foreign Tax Authority [Member] | Hong Kong [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards   400    
Foreign Tax Authority [Member] | Malaysia [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards   100    
Foreign Tax Authority [Member] | Singapore [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards   200    
State and Local Jurisdiction [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards   $ 165,600