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DEBT (Details Textual) - USD ($)
3 Months Ended
Apr. 03, 2017
Mar. 31, 2019
Apr. 01, 2018
Dec. 30, 2018
Debt Instrument [Line Items]        
Line of credit facility, average outstanding amount   $ 10,000,000 $ 21,000,000  
Amended Credit Agreement | Revolving Credit Facility        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity $ 35,000,000      
Line of credit facility, borrowing capacity, percentage 85.00%      
Credit Agreement | Texas Capital Bank, National Association (TCB) | Revolving Credit Facility        
Debt Instrument [Line Items]        
Long-term line of credit   $ 10,516,558   $ 10,650,289
Amended Credit Agreement        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity $ 55,000,000      
Senior Notes | Term Loan        
Debt Instrument [Line Items]        
Long term debt 20,000,000      
Commitments to Extend Credit | Amended Credit Agreement        
Debt Instrument [Line Items]        
Line of credit facility, remaining borrowing capacity 15,000,000      
Maximum | Bridge Loan | Term Loan        
Debt Instrument [Line Items]        
Long term debt 7,500,000      
Maximum | Commitments to Extend Credit | Amended Credit Agreement        
Debt Instrument [Line Items]        
Long term debt $ 20,000,000