Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 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 for the periods presented for the years ending December 31:



Ownership type	2017		2016		2015
Wholly owned subsidiaries	51.0	%	57.2	%	55.2	%
Equity joint ventures	47.0		41.2		42.9
Other	2.0		1.6		1.9
	100.0	%	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 years ending December 31:



Payor	2017		2016		2015
Medicare	71.0	%	74.5	%	74.5	%
Medicaid	1.8		1.8		1.5
Managed Care, Commercial, and Other	27.2		23.7		24.0
	100.0	%	100.0	%	100.0	%

Property, Plant and Equipment

The following table describes the Company’s components of property, building and equipment for the years ended December 31, 2017 and 2016 (amounts in thousands):



	2017		2016
Land	$	2,033	$	2,033
Building and improvements	14,166		11,363
Transportation equipment	11,363		11,220
Fixed equipment	780		1,090
Office furniture and medical equipment	61,676		52,771
	90,018		78,477
Less accumulated depreciation	43,565		35,226
	$	46,453	$	43,251

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 for the years ended December 31, 2017, 2016 and 2015:



	2017	2016	2015
Weighted average number of shares outstanding for basic per share calculation	17,715,992	17,559,477	17,405,379
Effect of dilutive potential shares:
Options	—	863	3,663
Nonvested restricted stock	245,026	122,480	138,489



Adjusted weighted average shares for diluted per share calculation	17,961,018	17,682,820	17,547,531
Antidilutive shares	—	219,855	200,525