Income Taxes - Effective Income Tax Expense (Benefit) Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory amount (computed at 35%)	$ (212)	$ (5,776)	$ (6,812)
State income tax, net of federal benefit	(20)	564	(415)
Permanent differences	(13)	(743)	(359)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount	237	1,189	935
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	(571)	0	0
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	(401)	0	0
Other (net)	43	126	304
Total	$ (937)	$ (4,640)	$ (6,347)
Consolidated effective tax rate	154.62046%	27.90%	32.60%
Federal statutory tax rate	35.00%	35.00%	35.00%