Note 4 - Line of Credit and Long-term Debt (Details) (USD $)	12 Months Ended					0 Months Ended
	Feb. 28, 2014	Feb. 28, 2014 Future Event February 15, 2015 [Member] Wells Fargo [Member]	Feb. 28, 2014 Accounts Receivable [Member]	Feb. 28, 2014 Eligible Inventories [Member]	Feb. 28, 2014 Line of Credit [Member] Wells Fargo [Member]	Jan. 16, 2014 Wells Fargo [Member]	Feb. 28, 2014 Wells Fargo [Member]
Note 4 - Line of Credit and Long-term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 5,000,000					$ 7,000,000
Maximum Draws Allowed			75.00%	50.00%
Debt Instrument, Basis Spread on Variable Rate	0.50%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	5.00%
Line of Credit Facility, Interest Rate at Period End	5.00%
Line of Credit Facility, Remaining Borrowing Capacity	5,000,000
Proceeds from Lines of Credit						6,400,000
Line of Credit Facility, Amount Outstanding							6,400,000
Debt Instrument, Interest Rate, Stated Percentage	3.75%				3.75%
Debt Instrument, Periodic Payment		$ 128,000