Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2017

Percentage of Net Service Revenue Earned by Type of Ownership or Relationship with Operating Entity

The following table summarizes the percentage of net service revenue earned by type of ownership or relationship the Company had with the operating entity:



	Three Months Ended March 31,
Ownership type	2017		2016
Wholly-owned subsidiaries	54.2	%	56.7	%
Equity joint ventures	44.1		41.6
Other	1.7		1.7
	100.0	%	100.0	%

Percentage of Net Service Revenue Earned by Category of Payor

The following table sets forth the percentage of net service revenue earned by category of payor for the three months ended March 31, 2017 and 2016:



	Three Months Ended March 31,
Payor:	2017		2016
Medicare	72.1	%	74.4	%
Medicaid	1.6		1.7
Other	26.3		23.9
	100.0	%	100.0	%

Shares Used in Computation of Basic and Diluted Per Share Information

The following table sets forth shares used in the computation of basic and diluted per share information:



	Three Months Ended March 31,
	2017	2016
Weighted average number of shares outstanding for basic per share calculation	17,643,463	17,485,766
Effect of dilutive potential shares:
Options	—	2,023
Nonvested stock	174,417	145,760
Adjusted weighted average shares for diluted per share calculation	17,817,880	17,633,549
Anti-dilutive shares	151,010	181,101