Note 4 - Marketable Securities

3 Months Ended

Jun. 30, 2014

Investments, Debt and Equity Securities [Abstract]

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

4. Marketable Securities

Marketable securities at June 30, 2014 consisted of investments in equity securities of publicly traded companies with a fair market value of $1,037,000, an aggregate cost basis of $1,130,000, gross unrealized gains aggregating $29,000 and gross unrealized losses aggregating $122,000. Securities in a loss position at year end had a fair market value of $809,000 and had been in a continuous loss position for less than twelve months. There were no investments in marketable securities at June 30, 2013. The Company realized gains of $8,410 from the sale of securities during the quarter ended June 30, 2014.