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EQUITY PLANS AND SHARE-BASED COMPENSATION (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Jul. 01, 2008
Dec. 31, 2005
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Option plan term 10 years          
Option plan term for options granted to an optionee owning more than 10% 5 years          
Optionee owner percentage 10.00%          
Exercise price to fair market value percentage 110.00%          
Non-statutory option granted exercise price to fair market value percentage 85.00%          
Share-based compensation cost $ 29,265 $ 123,268        
Restricted Stock Units and Awards [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based compensation cost $ 0 26,330        
Number of shares available for grant (in shares) 496          
Stock Options [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based compensation cost $ 29,265 $ 96,938        
Total compensation cost not yet recognized $ 9,578          
Recognized over a weighted average period 5 months 16 days          
Vested and expected to vest shares (in shares) 109          
Number of shares available for grant (in shares) 107          
Stock Option Plan 2005 [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized (in shares)       270,000   170,000
Restricted Stock Plan 2008 [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized (in shares)     750,000 125,000 75,000