EQUITY (Details Textual) - USD ($)		6 Months Ended
	May 25, 2018	Jul. 01, 2018	May 31, 2018	Dec. 31, 2017
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		19,500,000		19,500,000
Common stock, par value (in USD per share)		$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)		500,000		500,000
Preferred stock, par value (in USD per share)		$ 0.01		$ 0.01
Issuance costs of the 2013 Plan and Form S-3, shares	1,293,750
Issuance of shares, net of offering costs	$ 23,300,000	$ 21,386,013
Shares issued, price per share	$ 18.00
Payments of stock issuance costs	$ 1,900,000
Common Stock
Class of Stock [Line Items]
Percentage of issued and outstanding shares	14.70%