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Income Taxes (Tables)
12 Months Ended
Dec. 30, 2017
Income Taxes Tables  
Provision for income tax
    2017     2016     2015  
Current                  
   Federal   $ -     $ -     $ -  
   State     -       -       4,527  
Deferred (net of valuation allowance)                        
   Federal     -       -       -  
   State     -       -       -  
Income tax provision   $ -     $ -     $ 4,527  
                         
Reconciliation of income tax expense (benefit)
    2017     2016     2015  
                   
Federal income tax expense at statutory rate     (34.0 )%     (34.0 )%     (34.0 )%
State income tax, net of federal benefit     (5.3 )%     (5.3 )%     (5.1 )%
Permanent differences     7.6 %     8.4 %     5.7 %
Change in tax rates     0 %     (0.3 )%     0.7 %
Changes of state net operating losses     1.3 %     1.8 %     17.4 %
Change in stock options and restricted stock     (1.3 )%     11.8 %     0.0 %
Change in valuation allowance     (23.1 )%     16.4 %     13.7 %
Remeasurement of deferred taxes asset / liability     53.4 %     -       -  
Other     1.4 %     1.2 %     1.8 %
Effective tax rate     0.0 %     0.0 %     0.2 %
Deferred income tax assets and liabilities
    2017     2016  
Deferred tax assets:            
Net operating loss carryforward   $ 9,963,000     $ 11,023,000  
Capital loss carryforward     -       811,000  
Stock options and restricted stock     1,873,000       2,694,000  
Inventory reserve     143,000       195,000  
Allowance for doubtful accounts     183,000       425,000  
Accrued expenses     674,000       487,000  
Deferred revenue     19,000       13,000  
Intangibles     27,000       29,000  
Deferred rent     166,000       252,000  
      13,048,000       15,929,000  
Less valuation allowance     (12,904,000 )     (15,530,000 )
      144,000       399,000  
                 
Deferred tax liabilities:                
Leasehold improvements and equipment     (9,000 )     (282,000 )
Prepaid expenses     (135,000 )     (117,000 )
      (144,000 )     (399,000 )
                 
    $ -     $ -