Note 3 - Marketable Securities

12 Months Ended

Mar. 31, 2015

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

3. MARKETABLE SECURITIES

Marketable securities at March 31, 2015 consisted of investments in publicly traded companies with a fair value of $5,279,000, an aggregate cost basis of $5,490,000, gross unrealized gains aggregating $0 and gross unrealized losses aggregating $211,000. Marketable securities at March 31, 2014 consisted of investments with a fair market value of $1,460,000, an aggregate cost basis of $1,471,000, gross unrealized gains aggregating $16,000 and gross unrealized losses aggregating $27,000. Securities in a loss position at March 31, 2015 had a fair value of $4,168,000 and had been in a continuous loss position in the amount of $176,000 for less than twelve months and securities in a loss position in the amount of $35,000 for greater than twelve months had a fair value of $1,111,000. Securities in a loss position at March 31, 2014 had a fair market value of $1,185,000 and had been in a continuous loss position for less than twelve months. 

The Company realized gains of $9,000 and $11,000 from the sale of securities during the years ended March 31, 2015 and March 31, 2014, respectively.