NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator for basic and diluted loss per share
Net income (loss)	$ 3,086	$ (3,004)	$ 4,354	$ (19,518)
Denominator
Weighted Average Number of Shares Outstanding, Basic (shares)	36,663,000	35,943,000	36,460,000	35,039,000
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	1,530,000	0	1,698,000	0
Incremental Common Shares Attributable to Dilutive Effect of Restricted Stock Units	3,000	0	1,000	0
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	2,841,000	0	3,256,000	0
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants	6,000	0	6,000	0
Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements	0	0	1,000	0
Weighted Average Number of Shares Outstanding, Diluted (shares)	41,043,000	35,943,000	41,422,000	35,039,000
Net loss per share
Earnings Per Share, Basic	$ 0.08	$ (0.08)	$ 0.12	$ (0.56)
Earnings Per Share, Diluted	$ 0.08	$ (0.08)	$ 0.11	$ (0.56)