Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Federal:
Current	$ (450,000)	$ 432,000
Deferred	39,000	(88,000)
Total Federal	(411,000)	344,000
State:
Current	(91,000)	60,000
Deferred	4,000	(13,000)
Total State	(87,000)	47,000
Income tax benefit (expense)	(498,000)	391,000
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income taxes at statutory rate	(445,000)	368,000
State income taxes, net of federal benefit	(47,000)	49,000
Other, including prior year (over) under accrual	(6,000)	(26,000)
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Income taxes at statutory rate	34.00%	34.00%
State income taxes, net of federal benefit	3.60%	4.50%
Other	(0.50%)	(2.40%)
Effective income tax rate	37.10%	36.10%
Components of Deferred Tax Assets and Liabilities [Abstract]
Depreciation	(663,000)	(630,000)
Unrealized losses on investments available for sale	3,000	27,000
Provision for doubtful accounts	105,000	111,000
Vacation accrued	91,000	86,000
Deferred income	161,000	170,000
Other	81,000	81,000
Net deferred tax asset (liability)	(222,000)	(155,000)
Current portion, net	441,000	475,000
Long-term portion, net	$ (663,000)	$ (630,000)