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EQUITY (Details Textual) - USD ($)
 1 Months Ended 12 Months Ended
May 25, 2018
Apr. 03, 2017
Aug. 26, 2018
Jun. 30, 2016
Dec. 30, 2018
Dec. 31, 2017
Dec. 25, 2016
May 31, 2018
Equity [Line Items]                
Common stock, shares authorized         19,500,000 19,500,000    
Common stock, par value (in dollars per share)   $ 0.01 $ 0.01   $ 0.01 $ 0.01   $ 0.01
Preferred stock, shares authorized         500,000 500,000    
Preferred stock, par value (in dollars per share)         $ 0.01 $ 0.01    
Award service period         3 years      
Issuance of shares, net of offering costs (in shares) 1,293,750              
Issuance of shares, net of offering costs $ 23,300,000       $ 21,360,138 $ 992,500 $ 15,108,756  
Shares issued, price per share $ 18.00              
Payments of stock issuance costs $ 1,900,000              
Treasury stock, shares     828   828 0    
Taglich Brothers, Inc.                
Equity [Line Items]                
Class of warrant or right, outstanding       32,250        
Exercise price of warrants or rights       $ 16.80        
Common Stock                
Equity [Line Items]                
Issuance of restricted shares     41,172   41,172      
Issuance of shares, net of offering costs (in shares)         1,293,750 70,670 1,191,246  
Issuance of shares, net of offering costs         $ 12,938 $ 707 $ 11,912  
Private Placement                
Equity [Line Items]                
Payments for commissions       $ 600,000        
Common Stock                
Equity [Line Items]                
Issuance of shares, net of offering costs (in shares)   70,670   1,191,246        
Issuance of shares, net of offering costs   $ 1,000,000   $ 16,700,000        
Shares issued, price per share       $ 14.00        
Percentage of issued and outstanding shares 14.70%     16.10%        
Payments of stock issuance costs   $ 7,500   $ 1,600,000