Discontinued Operations (Details ) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Summary of restructuring charges activity during the period for discontinued operation
Noncurrent liabilities of discontinued operation	$ 2,008	$ 2,170
Current liabilities of discontinued operation
Summary of restructuring charges activity during the period for discontinued operation
Noncurrent liabilities of discontinued operation	2,000
MicroEdge Inc | Facility Exit Costs
Summary of restructuring charges activity during the period for discontinued operation
Balance of restructuring accrual at the beginning of the period for discontinued operation	2,742
Restructuring charges of discontinued operation	12
Cash payments for restructuring charges of discontinued operation	(152)
Adjustment of prior restructuring costs of discontinued operation	20
Balance of restructuring accrual at the end of the period for discontinued operation	2,622
MicroEdge Inc | Facility Exit Costs | Current liabilities of discontinued operation
Summary of restructuring charges activity during the period for discontinued operation
Balance of restructuring accrual at the end of the period for discontinued operation	$ 600