CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Jun. 30, 2012	Mar. 31, 2012
Allowance for doubtful accounts (in dollars)	$ 177,947	$ 168,544
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized	100,000	100,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	37,960,794	37,960,794
Common stock, shares outstanding	37,960,794	37,960,794
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000	100,000
Common stock, shares issued	0	0
Common stock, shares outstanding	0	0