Stock Compensation Plans: Stock Options by Exercise Price (Details) (Stock Options, USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	162,946
Options Outstanding, Weighted Average Exercise Price	$ 6.96
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 1 month 6 days
Options Exercisable, Number	71,946
Options Exercisable, Weighted Average Exercise Price	$ 8.97
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	2 years 10 months 24 days
$4.01 - $4.55
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	46,900
Options Outstanding, Weighted Average Exercise Price	$ 4.25
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	7 years 2 months 12 days
Options Exercisable, Number	18,900
Options Exercisable, Weighted Average Exercise Price	$ 4.40
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	6 years 8 months 12 days
$5.86 - $6.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	71,500
Options Outstanding, Weighted Average Exercise Price	$ 5.92
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	9 years
Options Exercisable, Number	8,500
Options Exercisable, Weighted Average Exercise Price	$ 5.86
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	9 years
$11.46 - $11.63
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	44,546
Options Outstanding, Weighted Average Exercise Price	$ 11.50
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	3 months 18 days
Options Exercisable, Number	44,546
Options Exercisable, Weighted Average Exercise Price	$ 11.50
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	3 months 18 days