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DEBT (Borrowings under the Revolving Facility) (Details) - USD ($)
 12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Line of Credit Facility [Line Items]    
Document Period End Date Dec. 30, 2018  
Credit Agreement | Texas Capital Bank, National Association (TCB) | Revolving Credit Facility    
Line of Credit Facility [Line Items]    
Initial borrowing amount $ 650,289 $ 6,368,068
Second borrowing amount 5,000,000 5,000,000
Third borrowing amount 5,000,000 5,000,000
Fourth borrowing amount 0 5,000,000
Total borrowing amount $ 10,650,289 $ 21,368,068
Interest rate, Initial Borrowing Amount 6.50% 5.50%
Interest rate, Second Borrowing Amount 5.16% 4.09%
Interest rate, Third Borrowing Amount 5.16% 4.13%
Interest rate, Fourth Borrowing Amount 0.00% 4.24%