ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)

9 Months Ended

Sep. 30, 2013

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, 2012		September 30, 2013
Accounts payable	$	3,833,000	$	5,292,000
Accrued warranty		520,000		462,000
Accrued severance				150,000
Accrued compensation		1,182,000		252,000
Other current liabilities		103,000		129,000
	$	5,638,000	$	6,285,000

Schedule of Product Warranty Liability [Table Text Block]

The following table summarizes warranty activity for the nine-month periods ended September 30, 2012 and 2013:

	Nine Months Ended September 30,
	2012		2013
Accrued warranty reserve, beginning of period	$	752,000	$	520,000
Accrual for product warranties issued		313,000		337,000
Product replacements and other warranty expenditures		(107,000)		(222,000)
Expiration of warranties		(252,000)		(173,000)
Accrued warranty reserve, end of period	$	706,000	$	462,000