SHORT TERM INVESTMENTS (Details Textual)	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Cash and Cash Equivalents [Line Items]
Interest Bearing Bank Deposits Maturity Date	4 months	5 months
Minimum [Member]
Cash and Cash Equivalents [Line Items]
Percentage Of Interest Bearing Bank Deposits	0.07%
Maximum [Member]
Cash and Cash Equivalents [Line Items]
Percentage Of Interest Bearing Bank Deposits	0.30%