Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income	$ 4,600	$ 4,725	$ 4,494
Depreciation and amortization	8,494	6,846	7,119
Deferred income tax provision	5,036	663	3,433
Deferred or stock-based compensation	1,478	1,591	1,337
Patient and other accounts receivables	978	(386)	(283)
Prepaids and other current assets	(821)	(1,958)	(1,187)
Other assets	(175)	207	(472)
Accounts payable	411	744	(7)
Accrued liabilities	(456)	1,837	(2,865)
Due to medical practices	2,983	4,822	70
Attain IVF deferred revenue and other patient deposits	490	2,490	2,125
Net cash provided by operating activities	23,018	21,581	13,764
Purchase of business service rights	(2,494)		(3,550)
Purchase of fixed assets and leasehold improvements, net	(9,223)	(8,110)	(5,909)
Net cash used in investing activities	(11,717)	(8,110)	(9,459)
Debt repayments	(3,667)	(11,255)	(3,750)
Common Stock transactions, net		19,062	8
Proceeds from stock option exercises	92	40	29
Net cash provided by (used in) financing activities	(3,575)	7,847	(3,713)
Net increase in cash and cash equivalents	7,726	21,318	590
Cash and cash equivalents at beginning of year	50,183	28,865	28,275
Cash and cash equivalents at end of year	57,909	50,183	28,865
Interest paid	534	912	1,067
Income taxes paid	$ 435	$ 2,616	$ 3,896