Organization and Summary of Significant Accounting Policies Accounts Receivable Concentration (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2013 customer	Mar. 31, 2012	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2012 customer
Concentration Risk [Line Items]
customers with 10% revenue concentration	0	0	0	0
Concentration Risk, Customer	0.1294943264
customers with 10 % accts rec concentration	0				0