ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Accounts payable	$ 6,660,000	$ 7,160,000
Accrued warranty	706,000	752,000
Accrued compensation	673,000	1,388,000
Other current liabilities	86,000	182,000
Accounts payable and accrued expenses	$ 8,125,000	$ 9,482,000	[1]

[1] Derived from audited balance sheet as of December 31, 2011