Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Per Share data	Jun. 30, 2011	Mar. 31, 2011
Allowance for Doubtful Accounts (in Dollars)	$ 74	$ 56
Accumulated Amortization (in Dollars)	91	90
Accumulated Amortization of Deferred Debt Costs (in Dollars)	$ 213	$ 172
Preferred Stock Par Value (in Dollars per share)	$ 0.01	$ 0.01
Preferred Stock, Authorized Shares	5,000	5,000
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, Authorized Shares	75,000	75,000
Common Stock, Shares Issued	44,432	44,025
Common Stock, Shares Outstanding	44,432	44,025
Treasury Stock Shares	2	0