CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Feb. 28, 2018	Feb. 28, 2017
Accounts receivable, allowance for doubtful accounts	$ 539	$ 903
Class A Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	42,500,000	42,500,000
Common stock, shares issued	11,278,065	10,402,400
Common stock, shares outstanding	11,278,065	10,402,400
Class B Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	7,500,000	7,500,000
Common stock, shares issued	1,142,366	1,142,366
Common stock, shares outstanding	1,142,366	1,142,366
Class C Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	7,500,000	7,500,000
Common stock, shares issued	0	0
Common stock, shares outstanding	0	0