DEBT (Borrowings under the Revolving Facility) (Details) - Credit Agreement - Texas Capital Bank, National Association (TCB) - Revolving Credit Facility - USD ($)	Dec. 31, 2017	Dec. 25, 2016
Line of Credit Facility [Line Items]
Initial borrowing amount	$ 6,368,068	$ 8,882,714
Second borrowing amount	5,000,000	5,000,000
Third borrowing amount	5,000,000	5,000,000
Fourth borrowing amount	5,000,000	5,000,000
Total borrowing amount	$ 21,368,068	$ 23,882,714
Interest rate, Initial Borrowing Amount	5.50%	4.25%
Interest rate, Second Borrowing Amount	4.09%	3.95%
Interest rate, Third Borrowing Amount	4.13%	3.99%
Interest rate, Fourth Borrowing Amount	4.24%	4.16%