Significant Accounting Policies, Revenue Recognition (Details)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue by Type [Line Items]
Payment terms, Maximum	90 days
Services breakage revenue (in hundredths)	3.00%	1.00%
SAAS Revenue as a percentage of total revenue (in hundredths)	2.00%	1.00%
Channel Sales [Member] | Minimum [Member]
Revenue by Type [Line Items]
Refund period	5 days
Channel Sales [Member] | Maximum [Member]
Revenue by Type [Line Items]
Refund period	14 days
Referral Fees and Direct Transactions [Member]
Revenue by Type [Line Items]
Refund period	5 days
End User Software Products [Member]
Revenue by Type [Line Items]
Refund period	30 days