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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narratives) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Other current assets $ 314,000   $ 314,000   $ 537,000
Current prepaid expense 100,000   100,000    
Other current receivables 200,000   $ 200,000    
Share-based compensation arrangement by share-based payment award, expiration period     10 years    
Stock-based compensation expense     $ 111,000 $ 489,000  
Unrecognized compensation expense related to unvested stock awards, not yet recognized $ 100,000   $ 100,000    
Unvested stock options, unrecognized compensation expense weighted average recognition period     1 year 1 month 1 day    
Stock options, granted (in shares) 11,250   25,250 641,560  
Stock options, fair value assumptions, risk free interest rate (as a percent)     1.56%    
Stock options, fair value assumptions, dividend yield     0.00%    
Stock options, fair value assumptions, expected life     6 years    
Stock options, fair value assumptions, historical volatility rate (as a percent)     85.00%    
Common stock rights issued (in shares)     3,055,555 3,466,841  
Deferred revenue $ 176,000   $ 176,000   217,000
Options, warrants and conversion rights, common stock callable and antidilutive (in shares)     10,701,453 10,392,728  
Pharmacogenomic Services          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Deferred revenue 200,000   $ 200,000   $ 200,000
Executive Officers          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options, unvested options, vesting period     3 years    
Common stock rights issued (in shares)     98,333    
Selling, General and Administrative Expenses          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense $ 0 $ 200,000 $ 100,000 $ 500,000  
Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options, unvested options, vesting period     3 years