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Recently Issued Accounting Pronouncements (Details) - USD ($)
3 Months Ended
Jun. 25, 2017
Jun. 26, 2016
Mar. 26, 2017
Recently Issued Accounting Pronouncements      
Provision for income taxes $ 533,800 $ 58,400  
Internal-use computer software $ 4,500,000   $ 4,300,000
Maximum      
Recently Issued Accounting Pronouncements      
Historical sales returns, as a percent of revenue 3.00%    
ASU 2016-09 | Adjustment      
Recently Issued Accounting Pronouncements      
Provision for income taxes $ 40,000    
Effective tax rate (as a percent) 3.25%