Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net Income (Loss)	$ 341	$ 1,787	$ 1,981	$ 7
Weighted average number of shares outstanding, Basic	22,364,120	22,339,487	22,361,058	22,336,425
Basic earnings	$ 0.02	$ 0.08	$ 0.09	$ 0.00
Weighted average number of shares outstanding, Diluted	22,365,460	22,339,487	22,361,941	22,336,425
Diluted earnings	$ 0.02	$ 0.08	$ 0.09	$ 0.00
EPS Computation
Net Income (Loss)	$ 341	$ 1,787	$ 1,981	$ 7
Weighted average number of shares outstanding, Basic	22,364,120	22,339,487	22,361,058	22,336,425
Basic earnings	$ 0.02	$ 0.08	$ 0.09	$ 0.00
Weighted average number of shares outstanding, Diluted	22,364,120	22,339,487	22,361,058	22,336,425
Effect of dilutive stock options	1,340		883
Weighted average common shares and common stock equivalents	22,365,460	22,339,487	22,361,941	22,336,425
Diluted earnings	$ 0.02	$ 0.08	$ 0.09	$ 0.00