Note 1 - Summary of Significant Accounting Policies (Detail) - Property and Equipment Useful Lives	12 Months Ended
	Dec. 31, 2012
Machinery and Equipment [Member] | Minimum [Member]
Property Plant and Equipment Estimated Useful Life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property Plant and Equipment Estimated Useful Life	10 years
Furniture and Fixtures [Member] | Minimum [Member]
Property Plant and Equipment Estimated Useful Life	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property Plant and Equipment Estimated Useful Life	10 years