ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)

12 Months Ended

Dec. 31, 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,		December 31,
	2012		2013
Accounts payable	$	3,833,000	$	5,303,000
Accrued warranty		520,000		522,000
Accrued severance		-		100,000
Accrued compensation		1,182,000		172,000
Other current liabilities		103,000		167,000
	$	5,638,000	$	6,264,000

Schedule Of Warrant Activity [Table Text Block]

The following table summarizes warranty activity during the years ended December 31, 2012 and 2013:

	Year Ended
	2012		2013
Accrued warranty reserve, beginning of year	$	752,000	$	520,000
Accrual for product warranties issued		289,000		403,000
Product replacements and other warranty expenditures		(386,000)		(253,000)
Expiration of warranties		(135,000)		(148,000)
Accrued warranty reserve, end of period	$	520,000	$	522,000