CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Feb. 28, 2014	Feb. 28, 2013
Accounts receivable, allowance for doubtful accounts	$ 574,000	$ 523,000
Deferred debt issuance costs, accumulated amortization	577,000	217,000
Series A convertible preferred stock, par value	$ 0.01	$ 0.01
Series A convertible preferred stock, liquidation preference	$ 50.00	$ 50.00
Series A convertible preferred stock, aggregate liquidation preference and redemption amount	$ 46,450	$ 46,882
Series A convertible preferred stock, shares authorized	2,875,000	2,875,000
Series A convertible preferred stock, shares issued		1,337,641
Series A convertible preferred stock, shares outstanding	1,328,991	1,337,641
Class A Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	170,000,000	170,000,000
Common stock, shares issued	37,267,123	35,907,925
Common stock, shares outstanding	37,267,123	35,907,925
Class B Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	4,569,464	4,722,684
Common stock, shares outstanding	4,569,464	4,722,684
Class C Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	0	0
Shares in trust
Series A convertible preferred stock, shares in trust	400,000	400,000