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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
USD ($)
shares
Directors' Stock Purchase Plan [Member]  
Property, Plant and Equipment [Line Items]  
Shares issued during the period, shares | shares 637
Shares issued during the period, value | $ $ 15,000
EmployeeStockOptionMember  
Property, Plant and Equipment [Line Items]  
Shares issued upon exercise of options | shares 859
Shares issued during period under Employee Stock Purchase Plan, value | $ $ 18,000
Restricted Stock [Member]  
Property, Plant and Equipment [Line Items]  
Vesting period 3 years