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Note 2 - Summary of Significant Accounting Policies (Detail) - Allowance For Doubtful Account Summary (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Beginning of period	$ 84,210	$ 142,444	$ 142,444
Bad debt expense	89,120	0	(58,234)
Write-offs	(30,000)		0
End of period	$ 143,330		$ 84,210

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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