Borrowings (Narrative) (Details) (USD $)	1 Months Ended
	Dec. 31, 2012	Sep. 30, 2014
Debt Instrument [Line Items]
Short-term lines of credit borrowing capacity		$ 19,800,000.0
Secured Debt
Debt Instrument [Line Items]
Amount of bank loan	4,900,000.0
Purchase price of land and building	$ 6,500,000
Number of acres of land acquired	2.85
Number of square feet of building	55,612
Secured Debt | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Interest rate of loan	1.00%
LIBOR variable interest rate	LIBOR
Interest rate on Loan		1.25%