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NET LOSS PER COMMON SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Numerator for basic and diluted loss per share:        
Net loss $ (2,547) $ (2,114) $ (5,276) $ (4,389)
Preferred dividends (514) (309) (1,021) (657)
Net loss available to common shareholders $ (3,061) $ (2,423) $ (6,297) $ (5,046)
Denominator for basic and dilutive loss per share weighted-average shares outstanding 92,539,230 94,298,567 92,203,567 94,185,967
Net loss $ (0.03) $ (0.02) $ (0.06) $ (0.05)
Preferred dividends (0.00) (0.01) (0.01) (0.00)
Net loss available to common shareholders $ (0.03) $ (0.03) $ (0.07) $ (0.05)