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STOCKHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 31, 2017
Stockholders' Equity Note [Abstract]  
Schedule of accumulated other comprehensive income
The following table illustrates the changes in the balances of the Company’s accumulated other comprehensive income (loss) for the periods presented (in thousands):
 
Net Unrealized Gains
(Losses) From Available
For Sale Investments
Balance at December 31, 2015
$
(52
)
Other comprehensive income before reclassifications
22

Amounts reclassified from accumulated other comprehensive income (loss)
—

Balance at December 31, 2016
(30
)
Other comprehensive loss before reclassifications
(424
)
Amounts reclassified from accumulated other comprehensive income (loss)
—

Balance at December 31, 2017
$
(454
)