Note 11 - Subsequent Events (Detail) (USD $)	Nov. 14, 2012	Oct. 24, 2012	Sep. 30, 2012
Line of Credit Facility, Maximum Borrowing Capacity		$ 5,000,000
Line of Credit Facility, Covenant Compliance Net Worth Increase To		22,000,000
Line of Credit Facility, Covenant Compliance Net Worth Increase From		21,250,000	20,000,000
Line of Credit Facility, Current Borrowing Capacity	1,250,000
Maximum [Member]
Line of Credit Facility, Borrowing Base Percentage Of Collateral Modified To		75.00%
Minimum [Member]
Line of Credit Facility, Borrowing Base Percentage Of Collateral Modified From		65.00%
Increased From [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,500,000