Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Allowance for Doubtful Accounts (in Dollars)	$ 74	$ 58
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 (in Shares)	5,000,000	5,000,000
Preferred Stock, Shares Issued (in Shares)	0	0
Preferred Stock, Shares Outstanding (in Shares)	0	0
Common Stock, Par Value (in Dollars per share)	$ 0.01	$ 0.01
Common Stock, Authorized Shares (in Shares)	75,000,000	75,000,000
Common Stock, Shares Issued (in Shares)	46,143,000	46,143,000
Common Stock, Shares Outstanding (in Shares)	45,396,000	45,396,000
Treasury Stock, Shares (in Shares)	7,000	7,000