Stock-Based Compensation - Stock Option Activity (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning of year (in shares)	1,179,199
Granted (in shares)	0	49,500
Forfeited, expired or cancelled (in shares)	(882,703)
Exercised (in shares)	(3,750)
Outstanding, end of year (in shares)	292,746	1,179,199
Exercisable, end of year (in shares)	266,408
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding, beginning of year, Weighted Average Exercise Price (usd per share)	$ 2.66
Granted, Weighted Average Exercise Price (usd per share)	$ 0.00
Forfeited, expired or cancelled, Weighted Average Exercise Price (usd per share)	$ 2.65
Exercised, Weighted Average Exercise Price (usd per share)	$ 0.56
Outstanding, end of year, Weighted Average Exercise Price (usd per share)	$ 2.72	$ 2.66
Exercisable, end of year, Weighted Average Exercise Price (usd per share)	$ 2.72