Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.7.0.1
SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less $ 7,180 $ 23,841
1 to 2 Years   8,457
Corporate Bond Securities [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less   6,142
1 to 2 Years  
U.S. Treasury Bonds [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less 2,752
1 to 2 Years   2,750
U.S Agency Bonds [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less 1,254 1,248
1 to 2 Years   2,531
Certificates Of Deposit [Member]    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
1 Year or Less $ 3,174 7,994
1 to 2 Years   $ 3,176