Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Estimated Useful Lives for Computing Depreciation Expense

We use the following estimated useful lives for computing the annual depreciation expense:

Fixed Asset Group	Depreciable Lives
Building and building improvements	5 - 39 years
Furniture and fixtures	3 - 7 years
Medical equipment	3 - 5 years
Other equipment	3 - 5 years

Reconciliation of Basic and Diluted Loss Per Share

The following is a reconciliation of basic and diluted loss per share (in thousands, except per share data).

	Years Ended December 31,
	2012			2011			2010
Basic Loss
Net loss	$	(8,517	)	$	(6,198	)	$	(20,577	)
Weighted average common shares outstanding		18,982			18,811			18,680
Basic loss per share	$	(0.45	)	$	(0.33	)	$	(1.10	)
Diluted Loss
Net loss	$	(8,517	)	$	(6,198	)	$	(20,577	)
Weighted average common shares outstanding		18,982			18,811			18,680
Effect of dilutive securities
Stock options		—			—			—
Restricted stock		—			—			—
Weighted average common shares outstanding and potential dilutive shares		18,982			18,811			18,680
Diluted loss per share	$	(0.45	)	$	(0.33	)	$	(1.10	)

Information about Domestic and International Operations

Information about our domestic and international operations is as follows (dollars in thousands):

	Revenues from External Customers						Net Assets				Property and Equipment
	2012		2011		2010		2012		2011		2012		2011
United States	$	101,493	$	102,983	$	99,825	$	15,143	$	21,766	$	6,380	$	10,637
Canada		—		—		—		4,654		4,499		—		—
	$	101,493	$	102,983	$	99,825	$	19,797	$	26,265	$	6,380	$	10,637