NET INCOME (LOSS) PER COMMON SHARE (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Numerator for basic earnings (loss) per share:
Net income (loss)	$ 1,051,000	$ 3,522,000	$ (7,537,000)	$ (4,336,000)
Preferred dividends	13,000	99,000	25,000	202,000
Net income (loss) available to common shareholders	1,038,000	3,423,000	(7,562,000)	(4,538,000)
Net income (loss) available to common shareholders	1,038	3,423	(7,562)	(4,538)
Preferred dividends	13	99
Interest expense on convertible debt	1	86
Net income (loss) for diluted earnings (loss) per share	$ 1,052	$ 3,608	$ (7,562)	$ (4,538)
Denominator for basic earnings (loss) per share - weighted-average shares outstanding	68,554,014	25,791,667	68,271,465	25,555,906
Effect of dilutive securities	13,911,199	34,252,751
Denominator for diluted earnings (loss) per share - weighted-average shares outstanding	82,465,213	60,044,418	68,271,645	25,555,906
Net income (loss)	$ 0.02	$ 0.14	$ (0.11)	$ (0.17)
Preferred dividends	$ 0	$ (0.01)	$ 0	$ (0.01)
Net income (loss) available to common shareholders	$ 0.02	$ 0.13	$ (0.11)	$ (0.18)
Net income (loss)	$ 0.06	$ 0.06	$ (0.18)	$ (0.18)