Stock Options (Nonvested Options) (Details) (Stock Options [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Nonvested options outstanding, beginning balance	1,252	180
Nonvested options, Granted	1,075	1,310
Nonvested options, Vested	(85)	(77)
Nonvested options, Forfeited	(860)	(161)
Nonvested options outstanding, ending balance	1,382	1,252
Share-based Compensation Arrangements by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested options, Weighted Average Grant Date Fair Value, beginning balance (in dollars per share)	$ 2.27	$ 1.72
Weighted average grant date fair value of options (in dollars per share)	$ 1.39	$ 2.30
Nonvested options, Vested, Weighted Average Grant Date Fair Value (in dollars per share)	$ 1.43	$ 1.27
Nonvested options, Forfeited, Weighted Average Grant Date Fair Value (in dollars per share)	$ 2.25	$ 2.33
Nonvested options, Weighted Average Grant Date Fair Value, ending balance (in dollars per share)	$ 1.57	$ 2.27