Quarterly Financial Information (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Net revenues	$ 93,749		$ 90,331		$ 82,313		$ 77,799		$ 75,663		$ 64,631		$ 61,488		$ 58,439		$ 344,192	$ 260,221	$ 231,047
Professional liability expense	1,856	[1]	1,743	[1]	1,556	[1]	2,061	[1]	1,454	[2]	947	[2]	1,758	[2]	1,507	[2]	7,216	5,666	4,304
Income (loss) from continuing operations	691		219		973		(433)		(977)		(2,321)		(2,421)		(1,274)		1,450	(6,993)	(3,871)
Income (loss) from discontinued operations, net of tax	(186)		3,928		128		(612)		406		(2,444)		242		327		3,258	(1,469)	951
Net income (loss)	$ 505		$ 4,099		$ 1,015		$ (1,106)		$ (678)		$ (4,868)		$ (2,281)		$ (1,051)		$ 4,733	$ (8,534)	$ (3,046)
Per common share - basic
Continuing operations (in dollars per share)	$ 0.11		$ 0.03		$ 0.15		$ (0.08)		$ (0.18)		$ (0.41)		$ (0.43)		$ (0.24)		$ 0.21	$ (1.26)	$ (0.74)
Discontinued operations (in dollars per share)	$ (0.03)		$ 0.65		$ 0.02		$ (0.10)		$ 0.07		$ (0.42)		$ 0.04		$ 0.06		$ 0.54	$ (0.25)	$ 0.16
Net income (loss) (in dollars per share)	$ 0.08		$ 0.68		$ 0.17		$ (0.18)		$ (0.11)		$ (0.83)		$ (0.39)		$ (0.18)		$ 0.75	$ (1.51)	$ (0.58)
Per common share - diluted
Continuing operations (in dollars per share)	$ 0.11		$ 0.03		$ 0.14		$ (0.08)		$ (0.18)		$ (0.41)		$ (0.43)		$ (0.24)		$ 0.20	$ (1.26)	$ (0.74)
Discontinued operations (in dollars per share)	$ (0.03)		$ 0.63		$ 0.02		$ (0.10)		$ 0.07		$ (0.42)		$ 0.04		$ 0.06		$ 0.52	$ (0.25)	$ 0.16
Net income (loss) (in dollars per share)	$ 0.08		$ 0.66		$ 0.16		$ (0.18)		$ (0.11)		$ (0.83)		$ (0.39)		$ (0.18)		$ 0.72	$ (1.51)	$ (0.58)

[1] The Company's quarterly results are significantly affected by the amounts recorded for professional liability expense, as discussed further in Note 11. The amount of expense recorded for professional liability in each quarter of 2014 is set forth in the table above.

[2] The Company's quarterly results are significantly affected by the amounts recorded for professional liability expense, as discussed further in Note 11. The amount of expense recorded for professional liability in each quarter of 2013 is set forth in the table above.