Note 4 - Contracts in Progress (Details) - Long-term Contracts (USD $)	Nov. 30, 2013	Nov. 30, 2012
Cost and Profit in Excess of Billings [Member]
Note 4 - Contracts in Progress (Details) - Long-term Contracts [Line Items]
Costs	$ 326,560	$ 127,858
Estimated earnings	106,848	42,200
	433,408	170,058
Less: amounts billed	(391,170)	(68,000)
Less: amounts billed	391,170	68,000
	42,238	102,058
Billings in Excess of Cost and Profit [Member]
Note 4 - Contracts in Progress (Details) - Long-term Contracts [Line Items]
Costs	115,789	4,994,950
Estimated earnings	21,470	2,932,023
	137,259	7,926,973
Less: amounts billed	154,980	9,052,639
Less: amounts billed	(154,980)	(9,052,639)
	$ (17,721)	$ (1,125,666)