SUBSEQUENT EVENTS (Details Textual) (USD $)	1 Months Ended
	May 08, 2015	Mar. 31, 2015
Subsequent Event [Line Items]
Sale of Stock, Price Per Share		$ 15.87
Subsequent Event [Member]
Subsequent Event [Line Items]
Sale of Stock, Price Per Share	$ 16.38
Subsequent Event [Member] | 2015 At-the-Market Issuance Sales Agreement [Member]
Subsequent Event [Line Items]
Sale of Stock, Price Per Share	$ 16.38
Sale of Stock, Number of Shares Issued in Transaction	518,076
Sale of Stock, Consideration Received Per Transaction	$ 8,500,000
Sale of Stock, Consideration Received on Transaction	$ 8,000,000