CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Mar. 31, 2015
Stockholders' equity
Preferred stock par value	$ 1	$ 1
Preferred stock shares authorized	10,000,000	10,000,000
Preferred stock shares issued	0	0
Preferred stock shares outstanding	0	0
Common stock par value	$ 0.5	$ 0.5
Common stock shares authorized	40,000,000	40,000,000
Common stock shares issued	2,104,266	2,104,266
Common stock shares outstanding	2,037,266	2,037,266
Treasury stock, shares	67,000	67,000