(2)	Restricted Cash

Cash and cash equivalents that are restricted as to withdrawal or use under the terms of certain contractual agreements are recorded in Restricted Cash on the balance sheet. Restricted cash does not include required minimum balances.

Restricted cash balances were as follows:

	September 30,		December 31,
(in thousands)		2018		2017
Cash and cash equivalents	$	8,913	$	3,999
Convertible Notes		—		238
Letters of credit		1,012		1,012
Security for credit cards		50		75
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$	9,975	$	5,324