Stockholders' Equity (Details 5) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Equity Instruments, Options, Nonvested Shares Roll-Forward
Non-vested shares, Beginning Balance	26,158
Non-vested shares, Granted	4,500
Non-vested shares, Forfeited, or expired	(598)
Non-vested shares, vested	(15,106)
Stock Options Outstanding, Ending Balance	14,954
Weighted Average Grant Date Fair Value, Options Nonvested at beginning of period	$ 0.04
Weighted Average Grant Date Fair Value, Options nonvested, grants in period	$ 0.04
Weighted Average Grant Date Fair Value, Options nonvested, forfeited in period	$ 0.03
Weighted Average Grant Date Fair Value, Options nonvested, vested in period	$ 0.04
Weighted Average Grant Date Fair Value, Options nonvested at end of period	$ 0.05