DERIVATIVE FINANCIAL INSTRUMENTS (Details Textual) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Jul. 29, 2015	Dec. 31, 2015	Dec. 31, 2014
Derivative Financial Instruments [Line Items]
Debt Instrument, Additional Borrowings		$ 5.0
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		275,000
Fair Value Adjustment of Warrants			$ 3.1
Conversion of Stock, Shares Converted		300
March 2014 Warrants [Member]
Derivative Financial Instruments [Line Items]
Fair Value Adjustment of Warrants			$ 0.6
Hercules Technology Growth Capital, Inc. [Member]
Derivative Financial Instruments [Line Items]
Long-term Debt, Gross	$ 4.5
Debt Instrument, Additional Borrowings	$ 5.0
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	214,853	214,853
Additional Warrants to be Issued	279,412	279,412
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.70	$ 1.70
Warrants Not Settleable in Cash, Fair Value Disclosure	$ 0.3
Fair Value Adjustment of Warrants		$ 0.1
Warrants and Rights Outstanding		0.2
Series D Preferred Stock [Member]
Derivative Financial Instruments [Line Items]
Credit Risk Derivatives, at Fair Value, Net, Total		8.0
Decrease In fair Value Of Preferred Stock		1.8
Derivative Liability, Fair Value, Gross Liability		0.3
Credit Risk Derivative Liabilities, at Fair Value		6.5
Warrants and Rights Outstanding		$ 2.4
Convertible Preferred Stock, Terms of Conversion		2.50
Conversion of Stock, Shares Converted		300