ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)

9 Months Ended

Sep. 30, 2012

Accounts Payable and Accrued Liabilities, Current [Abstract]

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

Accounts payable and accrued expenses consist of the following:

	December 31, 2011		September 30, 2012
Accounts payable	$	7,160,000	$	6,660,000
Accrued warranty		752,000		706,000
Accrued compensation		1,388,000		673,000
Other current liabilities		182,000		86,000
	$	9,482,000	$	8,125,000

Schedule Of Warrant Activity [Table Text Block]

The following table summarizes warranty activity for the nine-month periods ended September 30, 2011 and 2012:

	Nine Months Ended September 30,
	2011			2012
Accrued warranty reserve, beginning of period	$	2,069,000		$	752,000
Accrual for product warranties issued		356,000			313,000
Product replacements and other warranty expenditures		(438,000	)		(107,000	)
Expiration of warranties		(171,000	)		(252,000	)
Accrued warranty reserve, end of period	$	1,816,000		$	706,000