ACCRUED WARRANTY COSTS

6 Months Ended

Jun. 30, 2013

Product Warranties Disclosures [Abstract]

ACCRUED WARRANTY COSTS

NOTE 11 — ACCRUED WARRANTY COSTS

Sales of certain of the Company's systems are subject to a warranty.  System warranties typically extend for a period of 12 months from the date of installation not to exceed 24 months from the date of shipment.  The Company estimates the amount of warranty claims on sold products that may be incurred based on current and historical data.  The actual warranty expense could differ from the estimates made by the Company based on product performance.  Warranty expenses are evaluated and adjusted periodically.

The following table summarizes the changes in the warranty accrual (in thousands):

Accrued warranty costs at December 31, 2012	$	603
Warranty expenses	(419		)
Accrual for warranty costs	565
Accrued warranty costs at June 30, 2013	$	749