Quarterly report pursuant to Section 13 or 15(d)

SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.7.0.1
SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less $ 2,480 $ 7,180
U.S. Treasury Bonds [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less 1,500 2,752
U.S Agency Bonds [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less 1,254
Certificates Of Deposit [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less $ 980 $ 3,174