Note 2 - Summary of Significant Accounting Policies (Detail) - Customer Concentration	3 Months Ended	12 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Sales Revenue, Goods, Net [Member]
Number of Customers - Revenues	1	2
Percentage of Total Revenues	11.00%	33.00%
Accounts Receivable [Member]
Number of Customers - Revenues	3	3	3
Percentage of Total Revenues	65.00%	49.00%	54.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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