Stockholders' Equity (Details 4) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Equity Instruments, Options, Nonvested Shares Roll-Forward
Non-vested shares, Beginning Balance	36,814
Non-vested shares, Granted	2,500
Non-vested shares, Forfeited, or expired	(2,149)
Non-vested shares, vested	(15,955)
Stock Options Outstanding, Ending Balance	21,210
Weighted Average Grant Date Fair Value, Options Nonvested at beginning of period	$ 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	$ 0.18
Weighted Average Grant Date Fair Value, Options nonvested, vested in period	$ 0.20
Weighted Average Grant Date Fair Value, Options nonvested at end of period	$ 0.05