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EQUITY AND STOCK COMPENSATION PLANS (Detail Textuals 3) - Employee Stock Purchase Plan - shares
1 Months Ended 12 Months Ended
Nov. 29, 2005
Jun. 30, 1996
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Percentage of common stock at a price lower of the fair market value 95.00% 85.00%    
Period of common stock offering 6 months 6 months    
Minimal discount of fair market value of the common stock 5.00%      
Percentage of employee's compensation 6.00%      
Total number of common stock shares reserved for issuance 350,000      
Number of common stock shares reserved for issuance     52,722  
Issuance of common stock under employee stock purchase plan (in shares)     13,667 13,514