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Note 16 - Subsequent Events (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012 Subsequent Event [Member]
Convertible Debt Authorized Amount		$ 3.8
Proceeds from Convertible Debt	$ 1.5	$ 1.7
Debt Instrument, Convertible, Conversion Price (in Dollars per share)		$ 0.23
Premium on Average Closing Price		12.00%

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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