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STOCK OPTIONS (Stock Appreciation Rights) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Weighted-Average Exercise Price
Unvested stock options, unrecognized compensation expense weighted average recognition period	1 year
Accrued expenses	$ 2,560,000	$ 50,000
SARs
Number of SARs
Exercisable (in shares)	2,777
Weighted-Average Exercise Price
Outstanding (in dollars per share)	$ 129.60
Stock appreciation rights, aggregate intrinsic value, outstanding	$ 0
Unvested stock options, unrecognized compensation expense weighted average recognition period	6 years 3 months
Decrease in SAR liability	$ 5,000
Accrued expenses	$ 7,000

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- Definition

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options.

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