Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2017	Mar. 31, 2017
Statement of Financial Position [Abstract]
Preferred stock par value	$ 1.00	$ 1.00
Preferred stock shares authorized	10,000,000	10,000,000
Preferred stock shares outstanding
Common stock par value	$ 0.50	$ 0.50
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