Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Tax Provision (Benefit)
Income tax at the federal statutory rate	$ 273,000	$ (350,000)
State income tax, net of federal taxes	26,000	(34,000)
Permanent differences	11,000	0
Other	(16,000)	(30,000)
Change in valuation allowance	(52,000)	52,000
Income tax (benefit) provision	242,000	(362,000)
Deferred tax asset [Abstract]
Net operating loss	667,000	866,000
Asset retirement obligations	0	159,000
Net effect of conversion from the accrual basis of accounting to the cash basis of accounting for tax purposes primarily related to accounts receivable, prepaid expense and accounts payable	0	8,000
Deferred tax assets, gross	667,000	1,033,000
Deferred tax liability [Abstract]
Basis difference in unconsolidated entities	(61,000)	(70,000)
Deferred gain on disposal of gamma knife	(716,000)	(911,000)
Excess of depreciation over book depreciation	(40,000)
Net effect of conversion from the accrual basis of accounting to the cash basis of accounting for tax purposes primarily related to accounts receivable, prepaid expense and accounts payable	(92,000)	0
Valuation allowance	0	(52,000)
Net deferred tax liability	(242,000)	0
Loss Carryforwards Expiration [Abstract]
Operating loss carryforwards	1,788,000
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	52,000	0
Additions	0	52,000
Deductions	(52,000)	0
Ending Balance	$ 0	$ 52,000