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NOTES RECEIVABLE AND SALES-TYPE LEASE RECEIVABLE (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Notes receivable $ 111,000 $ 215,000
Sales-type lease receivable 13,267,000 5,103,000
Less: Allowance for credit losses 0 0
Notes and Sales Type Receivable Net Current and Non Current 13,378,000 5,318,000
Less: Current portion Notes receivable 36,000 140,000
Less: Current portion Sales-type lease receivable 703,000 1,077,000
Notes and Sales Type Receivable Net Current 739,000 1,217,000
Notes and sales-type lease receivables - less current portion $ 12,639,000 $ 4,101,000