CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Mar. 31, 2011
Allowance for doubtful accounts (in dollars)	$ 678	$ 714
Serial preferred stock, shares authorized	221,756	221,756
Serial preferred stock, shares outstanding	0	0
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	15,087,099	14,989,675
Common stock, shares outstanding	15,087,099	14,989,675