Stock-Based Compensation Plans and Awards - Summary of Stock Option Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Stock Options Outstanding Shares, Beginning Balance	5,303,334	6,806,000
Number of Stock Options Outstanding Shares, Cancelled		(650,000)
Number of Stock Options Outstanding Shares, Granted		50,000
Number of Stock Options Outstanding Shares, Exercised
Number of Stock Options Outstanding Shares, Expired	(3,675,334)	(902,666)
Number of Stock Options Outstanding Shares, End Balance	1,628,000	5,303,334
Equity awards available for grant, net of restricted stock (811,576) at December 31, 2015	7,560,424
Weighted- Average Exercise Price Fair Value, Beginning	$ 1.30	$ 1.21
Weighted-Average Exercise Price, Cancelled		1.50
Weighted-Average Exercise Price, Granted		$ 0.05
Weighted-Average Exercise Price, Exercised
Weighted-Average Exercise Price, Expired	$ 0.74	$ 0.38
Weighted- Average Exercise Price Fair Value, End Balance	$ 1.09	$ 1.30
Aggregate Intrinsic Value, Share Outstanding
Aggregate Intrinsic Value, Granted		$ 2,000	[1]
Aggregate Intrinsic Value, Share Exercisable

[1] Amounts represent the difference between the exercise price and the fair value of common stock at period end for all in the money options outstanding based on the fair value per share of common stock. As of December 31, 2014, 50,000 options that had been granted were "in the money."