MARKETABLE SECURITIES (Detail Textuals)	9 Months Ended
	Sep. 30, 2015
Schedule of Available-for-sale Securities [Line Items]
Period of current marketable securities	less than 12 months
Period of non-current marketable securities	greater than 12 months
Maturity term of non-current marketable securities	2016 and 2037
Municipal Obligations | A- or higher
Schedule of Available-for-sale Securities [Line Items]
Period of maturity debt obligations	less than one year to over 21 years
Corporate Obligations | A- or higher
Schedule of Available-for-sale Securities [Line Items]
Period of maturity debt obligations	one to five years