Quarterly report pursuant to Section 13 or 15(d)

Warranty (Schedule Of Warranty) (Details)

v2.4.0.6
Warranty (Schedule Of Warranty) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Warranty [Abstract]    
Beginning Balance $ 634,000 $ 616,000
Actual warranty costs paid (202,000) (180,000)
Amounts charged to expense 183,000 197,000
Ending balance $ 615,000 $ 633,000
Warranty liability period 5 years