8. Shareholders' Equity (Details) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Director Compensation Plan
Shares:
Nonvested shares, beginning of year	11,755	14,779
Nonvested shares, Granted	6,525	4,929
Nonvested shares, Vested	(6,554)	(7,953)
Nonvested shares, Forfeited	0	0
Nonvested shares, end of year	11,726	11,755
Weighted Average Grant Date Fair Value:
Weighted Average Grant Date Fair Value, beginning of year	$ 207,000	$ 186,000
Weighted Average Grant Date Fair Value, Granted	108,000	108,000
Weighted Average Grant Date Fair Value, Vested	(99,000)	(87,000)
Weighted Average Grant Date Fair Value, Forfeited	0	0
Weighted Average Grant Date Fair Value, end of year	216,000	207,000
Equity Incentive Compensation Plan
Shares:
Nonvested shares, beginning of year	7,466	0
Nonvested shares, Granted	5,013	9,027
Nonvested shares, Vested	(2,918)	(1,275)
Nonvested shares, Forfeited	(2,713)	(286)
Nonvested shares, end of year	6,848	7,466
Weighted Average Grant Date Fair Value:
Weighted Average Grant Date Fair Value, beginning of year	128,000	0
Weighted Average Grant Date Fair Value, Granted	83,000	155,000
Weighted Average Grant Date Fair Value, Vested	(47,000)	(21,000)
Weighted Average Grant Date Fair Value, Forfeited	(30,000)	(6,000)
Weighted Average Grant Date Fair Value, end of year	$ 134,000	$ 128,000