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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Changes in Options Outstanding) (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2019
Number of Options
Balance	91,310
Exercised	(1,520)
Expired	(630)
Forfeited	(20,000)
Balance	69,160
Vested and expected to vest	69,160
Exercisable	69,160
Weighted Average Exercise Price
Balance	$ 13.63
Exercised	14.28
Expired	22.57
Forfeited	13.07
Balance	13.69
Vested and expected to vest	13.69
Exercisable	$ 13.69
Weighted Average Remaining Contractual Term
Balance	2 years 3 months 29 days
Vested and expected to vest	2 years 3 months 29 days
Exercisable	2 years 3 months 29 days
Aggregate Intrinsic Value
Balance	$ 998
Vested and expected to vest	998
Exercisable	$ 998

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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