Note 10 - Inventory (Detail) - Inventory (USD $)	Mar. 31, 2013	Dec. 31, 2012
Current Inventory	$ 699,872	$ 898,042
Noncurrent inventory	699,872	1,063,633
Work in Process (Member)
Current Inventory	562,600	428,708
Raw Materials [Member]
Noncurrent inventory		1,063,633
Raw materials – net of allowances of zero and $25,000, respectively	$ 137,272	$ 469,334