Schedule II. Unaudited Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2012

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

UNAUDITED VALUATION AND QUALIFYING ACCOUNTS (in $000’s)

	Year Ended December 31,
ALLOWANCE FOR DOUBTFUL ACCOUNTS			2012		2011			2010
Beginning balance		$	206	$	256		$	248
Additions charged to expense		$	(7)	$	(18	)	$	26
Deductions		$	(26)	$	(32	)	$	(18	)
Balance at end of year		$	173	$	206		$	256
INVENTORY OBSOLESCENCE RESERVE:
Beginning balance		$	1,557	$	1,787		$	2,549
Additions charged to expense		$	1,033	$	778		$	1,167
Deductions		$	(1,213)	$	(1,008	)	$	(1,929	)
Balance at end of year		$	1,377	$	1,557		$	1,787
DEFERRED TAX ASSET VALUATION ALLOWANCE:
Beginning balance		$	2,697	$	2,844		$	3,013
Additions charged (credited to) to expense		$	(169)	$	(147	)	$	(169	)
Balance at end of year		$	2,528	$	2,697		$	2,844

WARRANTY RESERVE:
Beginning balance	$	87	$	75		$	90
Additions	$	127	$	212		$	114
Payments	$	(143)	$	(200	)	$	(129	)
Balance at end of year	$	71	$	87		$	75