NET LOSS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Numerator for basic and diluted loss per share:
Net loss	$ (2,284)	$ (2,547)	$ (5,869)	$ (5,276)
Preferred dividends	(720)	(514)	(1,489)	(1,021)
Net loss available to common shareholders	$ (3,004)	$ (3,061)	$ (7,358)	$ (6,297)
Denominator for basic and dilutive loss per share weighted-average shares outstanding	95,161,570	92,539,230	94,749,904	92,203,567
Net loss	$ (0.02)	$ (0.03)	$ (0.06)	$ (0.06)
Preferred dividends	(0.01)	(0.00)	(0.02)	(0.01)
Net loss available to common shareholders	$ (0.03)	$ (0.03)	$ (0.08)	$ (0.07)

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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