Note 15 - Contingent Liabilities and Commitments (Detail) (USD $)	1 Months Ended		18 Months Ended
	Apr. 30, 2012	Oct. 31, 2011	Dec. 31, 2012	Jul. 31, 2011 sqft
Area of Real Estate Property (in Square feet)				10,870
Lease Term		66 months
Payments for Rent	$ 23,000
Letters of Credit Outstanding, Amount			250,000
Letter of Credit Periodic Reduction Amount			50,000
Letter of Credit Amount Remaining Until Expiration of Lease			$ 100,000