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FINANCING RECEIVABLES (Details) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Notes receivable $ 58,000 $ 76,000
Sales-type lease receivable 14,765,000 13,881,000
Less: Allowance for credit losses 0 0
Notes and Sales Type Receivable Net Current and Non Current 14,823,000 13,957,000
Less: Current portion    
Notes receivable 25,000 23,000
Sales-type lease receivable 3,991,000 3,120,000
Notes and Sales Type Receivable Net Current 4,016,000 3,143,000 [1]
Financing receivables - less current portion $ 10,807,000 $ 10,814,000 [1]
[1] Derived from audited balance sheet as of December 31, 2012