Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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NET LOSS PER SHARE (Details) - shares		3 Months Ended								12 Months Ended
NET LOSS PER SHARE (Details) - shares	Jul. 10, 2014	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Common shares outstanding, basic:
Weighted average common shares outstanding-basic		41,933,926	41,928,682	41,900,901	41,866,357	41,832,942	41,749,200	41,742,301	41,726,106	41,907,597	41,762,893	38,382,599
Common shares outstanding, diluted:
Weighted average common shares outstanding-basic		41,933,926	41,928,682	41,900,901	41,866,357	41,832,942	41,749,200	41,742,301	41,726,106	41,907,597	41,762,893	38,382,599
Weighted-average common shares outstanding, diluted (in shares)		41,933,926	41,928,682	41,900,901	41,866,357	41,989,553	41,749,200	41,742,301	41,726,106	41,907,597	41,762,893	38,382,599
Restricted Stock and Restricted Stock Units
Anti-dilutive shares (in shares)										298,834	162,096	149,170
Stock Options
Anti-dilutive shares (in shares)										837,338	496,148	255,608
Equity Warrants
Anti-dilutive shares (in shares)										3,936,761	3,936,761	3,936,761
Equity Warrants
Equity warrant term	7 years
Number of shares of new stock in which each warrant or right can be converted	0.10