Income Taxes Net deferred tax assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Receivable allowance	$ 259,000	$ 204,000
Goodwill	6,459,000	8,630,000
Discontinued operations	215,000	18,000
Fixed asset impairment	675,000	0
Intangible assets	1,309,000	1,684,000
Capital loss	0	2,019,000
Compensation expense	1,399,000	1,537,000
Federal net operating loss carryforward	40,773,000	33,882,000
State net operating loss carryforward	5,109,000	4,204,000
Legal settlement	0	20,000
AMT credit carry forward	157,000	157,000
Accrued expenses	65,000	92,000
Deferred rent	177,000	212,000
Other	182,000	24,000
Gross deferred tax assets	56,779,000	52,683,000
Deferred Tax Assets, Valuation Allowance	56,779,000	51,790,000
Deferred tax assets, net of valuation allowance	0	893,000
Accumulated depreciation	0	(893,000)
Gross deferred tax liabilities	0	(893,000)
Net deferred tax assets	0	0
Expired capital loss carryforwards	$ 2,000,000