The Company and Summary of Significant Accounting Policies Sales type lease data (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
sales type capital leases transfered to banks	$ 2,200,000	$ 3,800,000
financing liability for future executory services on transfered leases	800,000	1,100,000
Capital Leases, Net Investment in Sales Type Leases	$ 1,430,000	$ 536,000