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Note 2 - Summary of Significant Accounting Policies (Detail) - Allowance For Doubtful Account Summary (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Beginning of period	$ 142,444	$ 269,869
Bad debt expense	(58,234)	(119,889)
Write-offs	0	(7,536)
End of period	$ 84,210	$ 142,444

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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