Revolving Credit Loan (Details) (USD $)	0 Months Ended
	Aug. 20, 2012	Dec. 31, 2012	Sep. 30, 2012
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	3.50%
Line of credit facility, unused capacity, commitment fee percentage	0.60%
Revolving credit loan		$ 3,771,000	$ 200,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	10,000,000
Line of credit facility, remaining borrowing capacity		9,000,000
Debt instrument, description of variable rate basis	LIBOR
Debt instrument, basis spread on variable rate	3.25%
Line of credit facility, unused capacity, commitment fee percentage	0.30%
Revolving credit loan		$ 3,771,000