EQUITY Option Exercised (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Equity [Abstract]
Shares granted in net exercise of options (in shares)	101,619	148,165	0
Options forfeited in net exercise of options (in shares)	148,381	304,167	0
Total net exercise options (in shares)	250,000	452,332	0
Weighted average exercise price for net exercise options ( in dollar per share)	$ 5.06	$ 2.69	$ 0
Options exercised for cash ( in shares)	150,834	83,666	0
Weighted average exercise price for options exercised for cash (in dollar per share)	$ 2.02	$ 2.51	$ 0