CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 6	$ 16
Common stock, par value (in dollars per share)	$ 0.02	$ 0.02
Common stock, authorized shares	50,000,000	50,000,000
Common stock, issued shares	5,463,938	5,440,968
Common stock, outstanding shares	5,463,938	5,440,968