Debt	12 Months Ended
Dec. 31, 2012
Debt	4. Debt In April 2008, we entered into a bank loan agreement for $19.2 million to finance medical equipment. The loan agreement provided for repayment in equal monthly installments over a five-year period at a fixed interest rate of 4.96%. The loan agreement contained no financial covenants. The bank loan was secured by certain medical equipment. Our outstanding debt was $4.0 million as of December 31, 2011, of which $3.0 million was due within 12 months. In June 2012, we paid our outstanding bank loan in full, reducing our total debt to zero.

Debt

12 Months Ended

Dec. 31, 2012

4. Debt

In April 2008, we entered into a bank loan agreement for $19.2 million to finance medical equipment. The loan agreement provided for repayment in equal monthly installments over a five-year period at a fixed interest rate of 4.96%. The loan agreement contained no financial covenants. The bank loan was secured by certain medical equipment. Our outstanding debt was $4.0 million as of December 31, 2011, of which $3.0 million was due within 12 months. In June 2012, we paid our outstanding bank loan in full, reducing our total debt to zero.