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SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (ESPP, Valuation Assumptions) (Details) - Employee Stock Purchase Plan [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Valuation Assumptions [Line Items]        
Maximum percentage of base pay that a participating employee may elect   10.00%    
Purchase price as percentage of lower of closing price on first or last trading day of offering period   85.00%    
Maximum number of shares reserved for issuance under stock plans   400,000    
Number of additional shares authorized 100,000      
Shares available for future grants   93,440    
Shares purchased under the ESPP   48,414 46,227 19,394
Weighted average purchase price (in usd per share)   $ 3.87 $ 3.92 $ 6.07
Total compensation cost   $ 55 $ 50 $ 27
Dividend yield   0.00% 0.00% 0.00%
Expected life in years   3 months 3 months 3 months
Weighted average grant date fair value (in usd per share)   $ 1.13 $ 1.09 $ 1.38
Minimum [Member]        
Valuation Assumptions [Line Items]        
Risk-free interest rate   0.21% 0.00% 0.02%
Expected volatility   37.60% 21.90% 20.70%
Maximum [Member]        
Valuation Assumptions [Line Items]        
Risk-free interest rate   0.51% 0.16% 0.05%
Expected volatility   68.10% 78.90% 23.50%