XML 33 R16.htm IDEA: XBRL DOCUMENT v2.4.0.8
3. Accrued product warranty liability (Tables)
 6 Months Ended
Jun. 30, 2014
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block] We generally warrant our products for up to 36 months

   
(In thousands)
Balance, beginning of period
  $ 366
Warranties issued
    123
Warranty settlements
    (146)
Balance, end of period
  $ 343