Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Summary of Significant Accounting Policies (Details Textual)

v3.8.0.1
Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 01, 2018
Apr. 02, 2017
Apr. 01, 2018
Dec. 31, 2017
Jan. 01, 2017
Dec. 31, 2017
Jan. 01, 2017
Apr. 01, 2018
Apr. 02, 2017
Number of Operating Segments           1      
Provision for Doubtful Accounts           $ 25,000     $ 0
Accounts Receivable, Net, Current       $ 12,800,000   12,800,000      
Allowance for Doubtful Accounts Receivable, Current       657,000   657,000      
Due From Factor   $ 14,921,000   9,857,000   9,857,000     14,921,000
Other Accrued Liabilities, Current   $ 245,000   459,000   $ 459,000     $ 245,000
Effective Income Tax Rate Reconciliation, Composite Rate, Percent   37.50%       23.50%      
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability       409,000   $ 409,000      
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions       31,000 $ 65,000 60,000 $ 115,000    
Income Tax Expense (Benefit), Reserve for Unrecognized Tax Benefits, Net Discrete Charge       132,000   132,000      
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense       16,000 13,000 52,000 53,000    
Reserve for Unrecognized Tax Benefits, Additional Income Tax Penalties and Interest Accrued       $ 25,000   $ 25,000      
Effective Income Tax Rate Reconciliation, Percent       66.30%   49.70%      
Subsequent Event [Member]                  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%                
Scenario, Forecast [Member]                  
Estimated Effective Income Tax Rate Reconciliation, Percent     33.00%            
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent               30.75%  
Minimum [Member]                  
Property, Plant and Equipment, Useful Life           3 years      
Finite-Lived Intangible Asset, Useful Life           5 years      
Maximum [Member]                  
Property, Plant and Equipment, Useful Life           8 years      
Finite-Lived Intangible Asset, Useful Life           20 years      
Other Accrued Liabilities [Member] | Up-front Payment Arrangement [Member]                  
Deferred Revenue, Current       $ 199,000   $ 199,000      
Other Accrued Liabilities [Member] | Customer Returns [Member]                  
Deferred Revenue, Current       13,000   13,000      
Other Accrued Liabilities [Member] | Store Credits and Gift Certificates [Member]                  
Deferred Revenue, Current       27,000   27,000      
Selling, General and Administrative Expenses [Member]                  
Advertising Expense       534,000 168,000 1,100,000 666,000    
Cost of Sales [Member]                  
Direct Operating Cost, Royalty Expense       $ 1,800,000 $ 1,900,000 $ 5,000,000 $ 5,200,000