Related Party Transactions Related Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			18 Months Ended	1 Months Ended
	Dec. 31, 2014	Sep. 30, 2013	Sep. 30, 2010	Jun. 30, 2010	Oct. 31, 2013	Sep. 30, 2012
Investor [Member]
Related Party Transaction [Line Items]
Warrants issued for referrals		7	20
Additional warrants authorized for issuance	208
Term of service agreement		3 years
Investor [Member] | Software Development [Member]
Related Party Transaction [Line Items]
Service agreement				$ 1,000
Deferred revenue		911				844
Investor [Member] | Software Development [Member] | Other Current Liabilities [Member]
Related Party Transaction [Line Items]
Deferred revenue		890
Investor [Member] | Software Development [Member] | Deferred Revenue [Member]
Related Party Transaction [Line Items]
Deferred revenue		21
Financial Institution, Investor [Member]
Related Party Transaction [Line Items]
Repayment of outstanding balance					$ 10,216