DEBT (Schedule of Long Term Debt) (Details) - Credit Agreement - Long-term Debt - Texas Capital Bank, National Association (TCB) - USD ($)	Dec. 31, 2017	Dec. 25, 2016
Debt Instrument [Line Items]
Long-Term Debt, Gross, Initial Borrowing	$ 687,500	$ 0
Interest rate, Initial Borrowing Amount	5.50%	0.00%
Long-Term Debt, Gross, Second Borrowing Amount	$ 6,500,000	$ 0
Interest rate, Second Borrowing Amount	4.30%	0.00%
Long-Term Debt, Gross, Third Borrowing Amount	$ 6,500,000	$ 0
Interest rate, Third Borrowing Amount	4.40%	0.00%
Long-Term Debt, Gross, Fourth Borrowing Amount	$ 6,000,000	$ 0
Interest rate, Fourth Borrowing Amount	4.50%	0.00%
Long-Term Debt, Gross, Fifth Borrowing Amount	$ 4,200,000
Interest Rate, Fifth Borrowing Amount	4.60%	0.00%
Long-term Debt, Gross	$ 23,887,500	$ 0