Consolidated Balance Sheets (Parenthetical) (USD $)	May 31, 2012	Feb. 29, 2012
Statement of Financial Position [Abstract]
Less allowance	$ 29,000	$ 26,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	25,000,000	25,000,000
Common stock, issued shares	14,467,685	14,455,444
Common stock, outstanding shares	14,467,685	14,455,444