Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2013	Mar. 31, 2013
Balance Sheets
Accounts receivable, allowance for uncollectible accounts	$ 15,000	$ 15,000
Common stock par value	$ 0.01	$ 0.01
Common stock, shares authorized	6,000,000	6,000,000
Common stock shares, issued	4,862,436	4,862,436
Common stock shares, outstanding	4,862,436	4,862,436