Note 8 - Accrued Warranty

12 Months Ended

Dec. 31, 2012

Product Warranty Disclosure [Text Block]

8.     ACCRUED WARRANTY

Accrued warranty consisted of the following at December 31, 2012 and 2011:

In thousands of dollars

	2012		2011
Beginning Balance – January 1,	$	354	$	211
Charges for accruals in the current period		64		156
Reductions for warranty services provided				(13	)
Ending Balance – December 31,	$	418	$	354

The warranty provision increased $64,000 and $156,000 in 2012 and 2011, respectively. The 2011 charges of $13,000 against the provision primarily relates to activity in connection with the AES prototype battery pack purchased in 2007.