Note 5 - Accrued Expenses (Details) - Major Components Of Accrued Expenses (USD $)	Feb. 28, 2014	Nov. 30, 2013
Major Components Of Accrued Expenses [Abstract]
Salaries, wages, and commissions	$ 618,198	$ 836,200
Accrued warranty expense	153,455	220,719
Other	658,714	661,556
	$ 1,430,367	$ 1,718,475