Note 14 - Capital Stock and Stock Compensation (Details) - Changes In Non-vested Options (USD $)	12 Months Ended
	Nov. 30, 2013
Employee Stock Option [Member]
Note 14 - Capital Stock and Stock Compensation (Details) - Changes In Non-vested Options [Line Items]
Number of shares outstanding	154,250
Weighted average grant date fair value per share (in Dollars per share)	$ 6.00
Number of shares vested	(63,750)
Weighted average grant date fair value per share, vested (in Dollars per share)	$ 5.69
Number of shares vested forfeited	(4,000)
Weighted average grant date fair value per share, forfeited (in Dollars per share)	$ 4.38
Number of shares outstanding	86,500
Weighted average grant date fair value per share (in Dollars per share)	$ 6.31
Restricted Stock [Member]
Note 14 - Capital Stock and Stock Compensation (Details) - Changes In Non-vested Options [Line Items]
Number of shares outstanding	138,782
Weighted average grant date fair value per share (in Dollars per share)	$ 7.15
Number of shares granted	81,295
Weighted average grant date fair value per share, granted (in Dollars per share)	$ 16.54
Number of shares vested	(52,184)
Weighted average grant date fair value per share, vested (in Dollars per share)	$ 5.74
Number of shares vested forfeited	(2,000)
Weighted average grant date fair value per share, forfeited (in Dollars per share)	$ 4.38
Number of shares outstanding	165,893
Weighted average grant date fair value per share (in Dollars per share)	$ 12.23