Borrowings (Tables)

12 Months Ended

Dec. 31, 2011

Borrowings

Schedule of term debt

	Aggregate Amount
Term loan	$	21,755
Obligations under capital lease		2,242
Total	$	23,997

Summary of remaining scheduled principal repayments

Year	Aggregate Amount
2012	$	5,837
2013		6,367
2014		6,367
2015		3,184
	$	21,755

Summary of remaining scheduled principal repayments for capital lease

Year	Aggregate Amount
2012	$	590
2013		606
2014		622
2015		424
	$	2,242