Stock Repurchase Program (Details) - Common Stock - USD ($)	Nov. 03, 2014	Sep. 30, 2015
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 15,000,000
Stock repurchase program, period in force	24 months
Remaining authorized repurchase amount		$ 3,400,000

Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration