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Note A - The Company and Summary of Significant Accounting Policies (Detail) - Summary of Accounts Receivables (USD $)
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Accounts receivable $ 625,310 $ 984,872  
Allowance for doubtful accounts (20,526) (397,526) (11,526)
Accounts receivable, net allowances for doubtful accounts $ 604,784 $ 587,346