Income Taxes (Income Tax Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Provision (benefit) for federal income taxes at statutory rates	$ 784	$ (3,804)	$ (2,046)
Provision (benefit) for state income taxes, net of federal benefit	76	(187)	(212)
Valuation allowance changes affecting the provision for income taxes	(66)	371	9
Employment tax credits	(169)	(930)	(172)
Nondeductible expenses	123	276	336
Stock based compensation expense	3	8	17
Other	106	70	(79)
Provision (benefit) for income taxes of continuing operations	$ 857	$ (4,196)	$ (2,147)