Discontinued Operation (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Assets:
Total current assets of discontinued operation					$ 88
Total noncurrent assets of discontinued operation	1,609		1,609		1,609
Liabilities:
Total current liabilities of discontinued operation	610		610		262
Total noncurrent liabilities of discontinued operation	3,072		3,072		3,804
MicroEdge
Summary of net revenues and net loss from the Company's discontinued operation
Net income from operation of discontinued operation (net of applicable taxes of $76, $162, $61 and $147, respectively)	110	245	88	222
Net income from discontinued operation, applicable taxes	76	162	61	147
Assets:
Total current assets of discontinued operation					88
Deferred taxes, long-term	1,609		1,609		1,609
Total noncurrent assets of discontinued operation	1,609		1,609		1,609
Liabilities:
Total current liabilities of discontinued operation	610		610		262
Accrued restructuring, long-term portion	3,072		3,072		3,804
Total noncurrent liabilities of discontinued operation	$ 3,072		$ 3,072		$ 3,804