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3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Summary Of Significant Accounting Policies Details      
Accounts Receivable Gross $ 8,957,000 $ 6,992,000  
Allowance for Doubtful Accounts (609,000) (950,000) (523,000)
Accounts Receivable Net $ 8,348,000 $ 6,042,000 $ 4,381,000