Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2012

Commitments and Contingencies [Abstract]

Future minimum rental payments

The Company has operating leases for office facilities through 2020 and office equipment through 2014. The future minimum rental payments under these leases at June 30, 2012, are as follows:

Year	Amount
2012	$	261
2013		638
2014		571
2015		574
2016		542
Thereafter		1,524
Future minumum lease payments	$	4,110

Changes in warranty reserves

Changes in the warranty reserves during the six months ended June 30, 2012 and 2011, were as follows:

	Six Months Ended June 30,
	2012			2011
Beginning balance	$	249		$	257
Provisions for warranty		105			127
Consumption of reserves		(77	)		(174	)
Ending balance	$	277		$	210