Equity (Details 4) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Equity Instruments, Options, Nonvested Shares Roll-Forward
Non-vested shares, Beginning Balance	36,814	29,253
Non-vested shares, Granted	1,500
Non-vested shares, Forfeited, or expired	(4,798)
Non-vested shares, vested	(4,263)
Stock Options Outstanding, Ending Balance		29,253
Weighted Average Grant Date Fair Value, Options Nonvested at beginning of period	$ 0.05	$ 0.05
Weighted Average Grant Date Fair Value, Options nonvested, grants in period	$ 0.06
Weighted Average Grant Date Fair Value, Options nonvested, forfeited in period	$ 0.34
Weighted Average Grant Date Fair Value, Options nonvested, vested in period	$ 0.06
Weighted Average Grant Date Fair Value, Options nonvested at end of period		$ 0.05