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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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 28A
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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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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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WEIGHTED AVERAGE COMMON SHARES (Details) - shares	3 Months Ended								12 Months Ended
WEIGHTED AVERAGE COMMON SHARES (Details) - shares	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Shares used to compute basic and diluted loss income per share [Abstract]
Basic shares outstanding (in shares)	24,533,000	24,533,000	24,486,000	24,138,000	24,025,000	24,024,000	23,962,000	23,609,000	24,423,479	23,906,395	23,453,427
Dilutive effect of stock options (in shares)									0	0	0
Diluted shares outstanding (in shares)	24,562,000	24,533,000	24,486,000	24,138,000	24,590,000	24,024,000	23,962,000	23,609,000	24,423,479	23,906,395	23,453,427
Stock Option 2 [Member]
Antidilutive Shares Details [Abstract]
Antidilutive shares excluded from computation of loss per share (in shares)									50,422	570,306	773,078
Stock Option 1 [Member]
Antidilutive Shares Details [Abstract]
Antidilutive shares excluded from computation of loss per share (in shares)									139,000	167,667	218,167