STOCKHOLDERS' EQUITY (Conversion of Preferred Stock) (Details) $ / shares in Units, $ in Millions		12 Months Ended
	Jan. 06, 2016 USD ($) $ / shares shares	Dec. 31, 2014	Mar. 31, 2017 $ / shares shares	Dec. 31, 2016 $ / shares shares	Dec. 29, 2010 $ / shares
Conversion of Stock [Line Items]
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.01	$ 0.01
Preferred stock, shares outstanding (in shares)			214,705	214,705
Series A Preferred Stock
Conversion of Stock [Line Items]
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.01
Common stock warrant, exercise price (in dollars per share) | $ / shares	$ 1.00				$ 2.32
Conversion ratio	0.3333
Common stock dividend (shares)	3,681,590
Preferred stock, shares outstanding (in shares)	0
Series B preferred stock
Conversion of Stock [Line Items]
Conversion ratio	1
Preferred stock, shares outstanding (in shares)	0
Preferred Stock | Series A Preferred Stock
Conversion of Stock [Line Items]
Common stock warrant, exercise price (in dollars per share) | $ / shares					$ 2.32
Conversion ratio		4
Number of shares converted, shares	2,586,205
Dividends payable | $	$ 3.7
Preferred Stock | Series B preferred stock
Conversion of Stock [Line Items]
Conversion ratio	1
Number of shares converted, shares	1,443,297
Dividends payable | $	$ 0.8
Common Stock
Conversion of Stock [Line Items]
Number of shares converted, shares	2,305,354
Common Stock | Series A Preferred Stock
Conversion of Stock [Line Items]
Number of shares converted, shares	862,057
Stock dividends (shares)	793,235
Shares, issued (shares)	6,780,179
Common Stock | Series B preferred stock
Conversion of Stock [Line Items]
Number of shares converted, shares	1,443,297
Shares, issued (shares)	4,474,825