CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) [Abstract]
Revenue	$ 865,000	$ 984,000
Costs and expenses:
Patient expenses	378,000	368,000
Selling, general and administrative	278,000	295,000
Total	656,000	663,000
Operating income	209,000	321,000
Interest expense	(32,000)	(41,000)
Interest income	1,000	0
(Loss) income from investments in unconsolidated entities	(30,000)	112,000
Income before income taxes	148,000	392,000
Provision for income tax expense	(86,000)	(149,000)
Net income	$ 62,000	$ 243,000
Basic and diluted net income per share (in dollars per share)	$ 0.01	$ 0.03
Weighted average common shares outstanding (in shares)	7,792,185	7,792,185