Quarterly report pursuant to Section 13 or 15(d)

EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS' EQUITY - Reconciliation of Earnings Per Share (Details)

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EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS' EQUITY - Reconciliation of Earnings Per Share (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Numerator:        
Net loss - basic $ (661) $ (1,524) $ (4,947) $ (2,127)
Adjustment for assumed conversion of warrants 81 0 (423) 0
Net loss - diluted $ (580) $ (1,524) $ (5,370) $ (2,127)
Denominator:        
Weighted-average common share equivalents - basic (in shares) 26,922 22,876 25,077 22,871
Potential dilution from assumed conversion of warrants (in shares) 0 0 499 0
Weighted-average common and common share equivalents - diluted (in shares) 26,922 22,876 25,576 22,871
Anti-dilutive share-based awards and warrants excluded from the calculation of diluted loss per share (in shares) 3,540 3,545 2,533 3,545