Product Warranty Provisions

3 Months Ended

Mar. 31, 2012

Product Warranty Provisions [Abstract]

The Company’s standard policy is to warrant all Niobe and Odyssey systems against defects in material or workmanship for one year following installation. The Company’s estimate of costs to service the warranty obligations is based on historical experience and current product performance trends. A regular review of warranty obligations is performed to determine the adequacy of the reserve and adjustments are made to the estimated warranty liability as appropriate.

Accrued warranty, which is included in other accrued liabilities, consists of the following:

	March 31,
	2012

Warranty accrual, December 31, 2011	$691,832
Warranty expense incurred	140,846
Payments made	(200,526)
Warranty accrual, March 31, 2012	$632,152