XML 69 R45.htm IDEA: XBRL DOCUMENT

Nature of Business and Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Change in accrued warranty expense
Beginning balance	$ 431	$ 455
Provision	285	277
Payments	(185)	(301)
Ending balance	$ 531	$ 431

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References+ Details