Condensed consolidated Balance Sheets (Parenthetical) (USD $)	Aug. 31, 2014	Feb. 28, 2014
Statement of Financial Position [Abstract]
Accounts Receivable, Allowance for Doubtful Accounts	$ 1,600,753	$ 1,744,321
Common Stock, Par Value (usd per share)	$ 1	$ 1
Common Stock, Shares Authorized (shares)	100,000,000	100,000,000
Common Stock, Shares Issued (shares)	25,668,404	25,577,205